2638530564696 has 96 divisors (see below), whose sum is σ = 7980740673360. Its totient is φ = 811855550592.

The previous prime is 2638530564643. The next prime is 2638530564721. The reversal of 2638530564696 is 6964650358362.

2638530564696 is a `hidden beast` number, since 2 + 6 + 3 + 8 + 5 + 3 + 0 + 564 + 69 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52177375 + ... + 52227918.

Almost surely, 2^{2638530564696} is an apocalyptic number.

2638530564696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2638530564696 is an abundant number, since it is smaller than the sum of its proper divisors (5342210108664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2638530564696 is a wasteful number, since it uses less digits than its factorization.

2638530564696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104405327 (or 104405311 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 63.

The spelling of 2638530564696 in words is "two trillion, six hundred thirty-eight billion, five hundred thirty million, five hundred sixty-four thousand, six hundred ninety-six".