374538993621 has 16 divisors (see below), whose sum is σ = 538697443200. Its totient is φ = 230100736320.

The previous prime is 374538993617. The next prime is 374538993637. The reversal of 374538993621 is 126399835473.

It is not a de Polignac number, because 374538993621 - 2² = 374538993617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374538993641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7992970 + ... + 8039691.

It is an arithmetic number, because the mean of its divisors is an integer number (33668590200).

Almost surely, 2^374538993621 is an apocalyptic number.

It is an amenable number.

374538993621 is a deficient number, since it is larger than the sum of its proper divisors (164158449579).

374538993621 is a wasteful number, since it uses less digits than its factorization.

374538993621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16033276.

The product of its digits is 29393280, while the sum is 60.

The spelling of 374538993621 in words is "three hundred seventy-four billion, five hundred thirty-eight million, nine hundred ninety-three thousand, six hundred twenty-one".