2499622039 has 4 divisors (see below), whose sum is σ = 2580255040. Its totient is φ = 2418989040.

The previous prime is 2499621989. The next prime is 2499622043. The reversal of 2499622039 is 9302269942.

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

It is a cyclic number.

It is not a de Polignac number, because 2499622039 - 2²⁷ = 2365404311 is a prime.

It is a super-2 number, since 2×2499622039² = 12496220675709035042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2499622039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499622079) 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, 40316454 + ... + 40316515.

It is an arithmetic number, because the mean of its divisors is an integer number (645063760).

Almost surely, 2^2499622039 is an apocalyptic number.

2499622039 is a deficient number, since it is larger than the sum of its proper divisors (80633001).

2499622039 is an equidigital number, since it uses as much as digits as its factorization.

2499622039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80633000.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 2499622039 is about 49996.2202471347. The cubic root of 2499622039 is about 1357.1404085839.

The spelling of 2499622039 in words is "two billion, four hundred ninety-nine million, six hundred twenty-two thousand, thirty-nine".