2131910335544 has 16 divisors (see below), whose sum is σ = 4360725686520. Its totient is φ = 969050152480.

The previous prime is 2131910335507. The next prime is 2131910335579. The reversal of 2131910335544 is 4455330191312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113126819 + ... + 12113126994.

Almost surely, 2^{2131910335544} is an apocalyptic number.

It is an amenable number.

2131910335544 is an abundant number, since it is smaller than the sum of its proper divisors (2228815350976).

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

2131910335544 is a wasteful number, since it uses less digits than its factorization.

2131910335544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226253830 (or 24226253826 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 2131910335544 in words is "two trillion, one hundred thirty-one billion, nine hundred ten million, three hundred thirty-five thousand, five hundred forty-four".