374605639945 has 8 divisors (see below), whose sum is σ = 451855923336. Its totient is φ = 298131741696.

The previous prime is 374605639921. The next prime is 374605639963. The reversal of 374605639945 is 549936506473.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3836687481 + 370768952464 = 61941^2 + 608908^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 374605639945 - 2⁵ = 374605639913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194095222 + ... + 194097151.

It is an arithmetic number, because the mean of its divisors is an integer number (56481990417).

Almost surely, 2^374605639945 is an apocalyptic number.

It is an amenable number.

374605639945 is a deficient number, since it is larger than the sum of its proper divisors (77250283391).

374605639945 is a wasteful number, since it uses less digits than its factorization.

374605639945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388192571.

The product of its (nonzero) digits is 73483200, while the sum is 61.

The spelling of 374605639945 in words is "three hundred seventy-four billion, six hundred five million, six hundred thirty-nine thousand, nine hundred forty-five".