2639913441 has 16 divisors (see below), whose sum is σ = 3869192448. Its totient is φ = 1587731600.

The previous prime is 2639913439. The next prime is 2639913443. The reversal of 2639913441 is 1443199362.

It is an interprime number because it is at equal distance from previous prime (2639913439) and next prime (2639913443).

It is a cyclic number.

It is not a de Polignac number, because 2639913441 - 2¹ = 2639913439 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2639913393 and 2639913402.

It is not an unprimeable number, because it can be changed into a prime (2639913443) 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 15 ways as a sum of consecutive naturals, for example, 301011 + ... + 309656.

It is an arithmetic number, because the mean of its divisors is an integer number (241824528).

Almost surely, 2^2639913441 is an apocalyptic number.

It is an amenable number.

2639913441 is a deficient number, since it is larger than the sum of its proper divisors (1229279007).

2639913441 is a wasteful number, since it uses less digits than its factorization.

2639913441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610812.

The product of its digits is 139968, while the sum is 42.

The square root of 2639913441 is about 51380.0879816296. The cubic root of 2639913441 is about 1382.0695408037.

The spelling of 2639913441 in words is "two billion, six hundred thirty-nine million, nine hundred thirteen thousand, four hundred forty-one".