2638900713889 has 24 divisors (see below), whose sum is σ = 3001095034560. Its totient is φ = 2315918220000.

The previous prime is 2638900713863. The next prime is 2638900713949. The reversal of 2638900713889 is 9883170098362.

It is not a de Polignac number, because 2638900713889 - 2²³ = 2638892325281 is a prime.

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 2638900713889.

It is not an unprimeable number, because it can be changed into a prime (2638900713829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24055614 + ... + 24165064.

It is an arithmetic number, because the mean of its divisors is an integer number (125045626440).

Almost surely, 2^{2638900713889} is an apocalyptic number.

2638900713889 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2638900713889 is a deficient number, since it is larger than the sum of its proper divisors (362194320671).

2638900713889 is a wasteful number, since it uses less digits than its factorization.

2638900713889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116373 (or 116362 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 2638900713889 in words is "two trillion, six hundred thirty-eight billion, nine hundred million, seven hundred thirteen thousand, eight hundred eighty-nine".