2639855630488 has 16 divisors (see below), whose sum is σ = 4950430805880. Its totient is φ = 1319740748928.

The previous prime is 2639855630483. The next prime is 2639855630507. The reversal of 2639855630488 is 8840365589362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639855630483) 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, 23323306 + ... + 23436217.

Almost surely, 2^{2639855630488} is an apocalyptic number.

It is an amenable number.

2639855630488 is a deficient number, since it is larger than the sum of its proper divisors (2310575175392).

2639855630488 is a wasteful number, since it uses less digits than its factorization.

2639855630488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46766586 (or 46766582 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 67.

The spelling of 2639855630488 in words is "two trillion, six hundred thirty-nine billion, eight hundred fifty-five million, six hundred thirty thousand, four hundred eighty-eight".