2137243713657 has 32 divisors (see below), whose sum is σ = 3133827903360. Its totient is φ = 1287569710080.

The previous prime is 2137243713637. The next prime is 2137243713779. The reversal of 2137243713657 is 7563173427312.

It is not a de Polignac number, because 2137243713657 - 2⁸ = 2137243713401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2137243713637) 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, 1372498 + ... + 2481579.

It is an arithmetic number, because the mean of its divisors is an integer number (97932121980).

Almost surely, 2^{2137243713657} is an apocalyptic number.

It is an amenable number.

2137243713657 is a deficient number, since it is larger than the sum of its proper divisors (996584189703).

2137243713657 is a wasteful number, since it uses less digits than its factorization.

2137243713657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854393.

The product of its digits is 4445280, while the sum is 51.

The spelling of 2137243713657 in words is "two trillion, one hundred thirty-seven billion, two hundred forty-three million, seven hundred thirteen thousand, six hundred fifty-seven".