3231749656368 has 120 divisors (see below), whose sum is σ = 9159824011520. Its totient is φ = 1063566599040.

The previous prime is 3231749656339. The next prime is 3231749656411. The reversal of 3231749656368 is 8636569471323.

3231749656368 is a `hidden beast` number, since 3 + 2 + 3 + 1 + 7 + 4 + 9 + 6 + 563 + 68 = 666.

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, 4580253 + ... + 5238531.

Almost surely, 2^{3231749656368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231749656368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4579912005760).

3231749656368 is an abundant number, since it is smaller than the sum of its proper divisors (5928074355152).

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

3231749656368 is a wasteful number, since it uses less digits than its factorization.

3231749656368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658727 (or 658718 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 63.

The spelling of 3231749656368 in words is "three trillion, two hundred thirty-one billion, seven hundred forty-nine million, six hundred fifty-six thousand, three hundred sixty-eight".