2113731967968 has 48 divisors (see below), whose sum is σ = 6165051575760. Its totient is φ = 704577322368.

The previous prime is 2113731967939. The next prime is 2113731967973. The reversal of 2113731967968 is 8697691373112.

2113731967968 is a `hidden beast` number, since 2 + 1 + 1 + 373 + 196 + 79 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223223655 + ... + 1223225382.

It is an arithmetic number, because the mean of its divisors is an integer number (128438574495).

Almost surely, 2^{2113731967968} is an apocalyptic number.

It is an amenable number.

2113731967968 is an abundant number, since it is smaller than the sum of its proper divisors (4051319607792).

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

2113731967968 is a wasteful number, since it uses less digits than its factorization.

2113731967968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446449056 (or 2446449042 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 2113731967968 in words is "two trillion, one hundred thirteen billion, seven hundred thirty-one million, nine hundred sixty-seven thousand, nine hundred sixty-eight".