2138927373696 has 64 divisors (see below), whose sum is σ = 5864800896000. Its totient is φ = 689976568320.

The previous prime is 2138927373691. The next prime is 2138927373697. The reversal of 2138927373696 is 6963737298312.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138927373691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89828796 + ... + 89852603.

It is an arithmetic number, because the mean of its divisors is an integer number (91637514000).

Almost surely, 2^{2138927373696} is an apocalyptic number.

It is an amenable number.

2138927373696 is an abundant number, since it is smaller than the sum of its proper divisors (3725873522304).

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

2138927373696 is a wasteful number, since it uses less digits than its factorization.

2138927373696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179681447 (or 179681435 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 66.

The spelling of 2138927373696 in words is "two trillion, one hundred thirty-eight billion, nine hundred twenty-seven million, three hundred seventy-three thousand, six hundred ninety-six".