374045321813 has 32 divisors (see below), whose sum is σ = 413314513920. Its totient is φ = 336955438080.

The previous prime is 374045321809. The next prime is 374045321831. The reversal of 374045321813 is 318123540473.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 374045321813 - 2² = 374045321809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374045321833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33713495 + ... + 33724587.

It is an arithmetic number, because the mean of its divisors is an integer number (12916078560).

Almost surely, 2^374045321813 is an apocalyptic number.

It is an amenable number.

374045321813 is a deficient number, since it is larger than the sum of its proper divisors (39269192107).

374045321813 is a wasteful number, since it uses less digits than its factorization.

374045321813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11837.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 374045321813 in words is "three hundred seventy-four billion, forty-five million, three hundred twenty-one thousand, eight hundred thirteen".