2137653508 has 24 divisors (see below), whose sum is σ = 3964275000. Its totient is φ = 1005109248.

The previous prime is 2137653499. The next prime is 2137653517. The reversal of 2137653508 is 8053567312.

It is an interprime number because it is at equal distance from previous prime (2137653499) and next prime (2137653517).

It can be written as a sum of positive squares in 4 ways, for example, as 263802564 + 1873850944 = 16242^2 + 43288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72348 + ... + 97516.

It is an arithmetic number, because the mean of its divisors is an integer number (165178125).

Almost surely, 2^2137653508 is an apocalyptic number.

It is an amenable number.

2137653508 is a deficient number, since it is larger than the sum of its proper divisors (1826621492).

2137653508 is a wasteful number, since it uses less digits than its factorization.

2137653508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26439 (or 26437 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2137653508 is about 46234.7651448561. The cubic root of 2137653508 is about 1288.1875691302.

The spelling of 2137653508 in words is "two billion, one hundred thirty-seven million, six hundred fifty-three thousand, five hundred eight".