3551314221372 has 24 divisors (see below), whose sum is σ = 8286948786816. Its totient is φ = 1183692987568.

The previous prime is 3551314221359. The next prime is 3551314221421. The reversal of 3551314221372 is 2731224131553.

It is a super-2 number, since 2×3551314221372² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551314221372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9613608 + ... + 9976175.

It is an arithmetic number, because the mean of its divisors is an integer number (345289532784).

Almost surely, 2^{3551314221372} is an apocalyptic number.

It is an amenable number.

3551314221372 is an abundant number, since it is smaller than the sum of its proper divisors (4735634565444).

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

3551314221372 is a wasteful number, since it uses less digits than its factorization.

3551314221372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19604897 (or 19604895 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The spelling of 3551314221372 in words is "three trillion, five hundred fifty-one billion, three hundred fourteen million, two hundred twenty-one thousand, three hundred seventy-two".