2438439165 has 12 divisors (see below), whose sum is σ = 4226627964. Its totient is φ = 1300500864.

The previous prime is 2438439163. The next prime is 2438439167. The reversal of 2438439165 is 5619348342.

2438439165 is a `hidden beast` number, since 24 + 38 + 439 + 165 = 666.

It is an interprime number because it is at equal distance from previous prime (2438439163) and next prime (2438439167).

It can be written as a sum of positive squares in 2 ways, for example, as 377097561 + 2061341604 = 19419^2 + 45402^2 .

It is not a de Polignac number, because 2438439165 - 2¹ = 2438439163 is a prime.

It is a super-2 number, since 2×2438439165² = 11891971122811794450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 54187537 = 2438439165 / (2 + 4 + 3 + 8 + 4 + 3 + 9 + 1 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2438439165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438439163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27093724 + ... + 27093813.

It is an arithmetic number, because the mean of its divisors is an integer number (352218997).

Almost surely, 2^2438439165 is an apocalyptic number.

It is an amenable number.

2438439165 is a deficient number, since it is larger than the sum of its proper divisors (1788188799).

2438439165 is a wasteful number, since it uses less digits than its factorization.

2438439165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54187548 (or 54187545 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 2438439165 is about 49380.5545230104. The cubic root of 2438439165 is about 1345.9759761224.

The spelling of 2438439165 in words is "two billion, four hundred thirty-eight million, four hundred thirty-nine thousand, one hundred sixty-five".