2648437069 has 4 divisors (see below), whose sum is σ = 2663069500. Its totient is φ = 2633804640.

The previous prime is 2648437067. The next prime is 2648437073. The reversal of 2648437069 is 9607348462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147136900 + 2501300169 = 12130^2 + 50013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648437069 - 2¹ = 2648437067 is a prime.

It is a super-2 number, since 2×2648437069² = 14028437816906621522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648437067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7315944 + ... + 7316305.

It is an arithmetic number, because the mean of its divisors is an integer number (665767375).

Almost surely, 2^2648437069 is an apocalyptic number.

It is an amenable number.

2648437069 is a deficient number, since it is larger than the sum of its proper divisors (14632431).

2648437069 is a wasteful number, since it uses less digits than its factorization.

2648437069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632430.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 2648437069 is about 51462.9679381203. The cubic root of 2648437069 is about 1383.5553964439. Note that the first 3 decimals are identical.

The spelling of 2648437069 in words is "two billion, six hundred forty-eight million, four hundred thirty-seven thousand, sixty-nine".