374274245665 has 4 divisors (see below), whose sum is σ = 449129094804. Its totient is φ = 299419396528.

The previous prime is 374274245627. The next prime is 374274245687. The reversal of 374274245665 is 566542472473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59840412129 + 314433833536 = 244623^2 + 560744^2 .

It is a cyclic number.

It is not a de Polignac number, because 374274245665 - 2⁹ = 374274245153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37427424562 + ... + 37427424571.

It is an arithmetic number, because the mean of its divisors is an integer number (112282273701).

Almost surely, 2^374274245665 is an apocalyptic number.

It is an amenable number.

374274245665 is a deficient number, since it is larger than the sum of its proper divisors (74854849139).

374274245665 is an equidigital number, since it uses as much as digits as its factorization.

374274245665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74854849138.

The product of its digits is 33868800, while the sum is 55.

The spelling of 374274245665 in words is "three hundred seventy-four billion, two hundred seventy-four million, two hundred forty-five thousand, six hundred sixty-five".