2370664521 has 6 divisors (see below), whose sum is σ = 3424293210. Its totient is φ = 1580443008.

The previous prime is 2370664493. The next prime is 2370664531. The reversal of 2370664521 is 1254660732.

2370664521 is a `hidden beast` number, since 2 + 3 + 7 + 0 + 6 + 645 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1785992121 + 584672400 = 42261^2 + 24180^2 .

It is not a de Polignac number, because 2370664521 - 2⁵ = 2370664489 is a prime.

It is a super-2 number, since 2×2370664521² = 11240100542256318882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2370664531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131703576 + ... + 131703593.

It is an arithmetic number, because the mean of its divisors is an integer number (570715535).

Almost surely, 2^2370664521 is an apocalyptic number.

It is an amenable number.

2370664521 is a deficient number, since it is larger than the sum of its proper divisors (1053628689).

2370664521 is a wasteful number, since it uses less digits than its factorization.

2370664521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263407175 (or 263407172 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2370664521 is about 48689.4703298362. The cubic root of 2370664521 is about 1333.3884842951.

The spelling of 2370664521 in words is "two billion, three hundred seventy million, six hundred sixty-four thousand, five hundred twenty-one".