2639506430 has 16 divisors (see below), whose sum is σ = 5183031024. Its totient is φ = 959820480.

The previous prime is 2639506409. The next prime is 2639506459. The reversal of 2639506430 is 346059362.

It is a super-2 number, since 2×2639506430² = 13933988388022689800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11997647 + ... + 11997866.

It is an arithmetic number, because the mean of its divisors is an integer number (323939439).

Almost surely, 2^2639506430 is an apocalyptic number.

2639506430 is a deficient number, since it is larger than the sum of its proper divisors (2543524594).

2639506430 is a wasteful number, since it uses less digits than its factorization.

2639506430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23995531.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 2639506430 is about 51376.1270435988. The cubic root of 2639506430 is about 1381.9985098867.

The spelling of 2639506430 in words is "two billion, six hundred thirty-nine million, five hundred six thousand, four hundred thirty".