2331681839856 has 120 divisors (see below), whose sum is σ = 6864902694000. Its totient is φ = 737707170816.

The previous prime is 2331681839791. The next prime is 2331681839863. The reversal of 2331681839856 is 6589381861332.

2331681839856 is a `hidden beast` number, since 2 + 3 + 316 + 8 + 183 + 98 + 56 = 666.

It is a super-2 number, since 2×2331681839856² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2331681839793 and 2331681839802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4485421 + ... + 4978188.

It is an arithmetic number, because the mean of its divisors is an integer number (57207522450).

Almost surely, 2^{2331681839856} is an apocalyptic number.

It is an amenable number.

2331681839856 is an abundant number, since it is smaller than the sum of its proper divisors (4533220854144).

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

2331681839856 is a wasteful number, since it uses less digits than its factorization.

2331681839856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9463711 (or 9463702 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 2331681839856 in words is "two trillion, three hundred thirty-one billion, six hundred eighty-one million, eight hundred thirty-nine thousand, eight hundred fifty-six".