2102372657 has 16 divisors (see below), whose sum is σ = 2622672000. Its totient is φ = 1637255040.

The previous prime is 2102372647. The next prime is 2102372683. The reversal of 2102372657 is 7562732012.

It is a cyclic number.

It is not a de Polignac number, because 2102372657 - 2¹⁰ = 2102371633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102372627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143069 + ... + 157077.

It is an arithmetic number, because the mean of its divisors is an integer number (163917000).

Almost surely, 2^2102372657 is an apocalyptic number.

It is an amenable number.

2102372657 is a deficient number, since it is larger than the sum of its proper divisors (520299343).

2102372657 is a wasteful number, since it uses less digits than its factorization.

2102372657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15976.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 2102372657 is about 45851.6374516767. The cubic root of 2102372657 is about 1281.0612652333.

The spelling of 2102372657 in words is "two billion, one hundred two million, three hundred seventy-two thousand, six hundred fifty-seven".