2157710752 has 12 divisors (see below), whose sum is σ = 4247993106. Its totient is φ = 1078855360.

The previous prime is 2157710743. The next prime is 2157710767. The reversal of 2157710752 is 2570177512.

It can be written as a sum of positive squares in only one way, i.e., 2014573456 + 143137296 = 44884^2 + 11964^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33714199 + ... + 33714262.

Almost surely, 2^2157710752 is an apocalyptic number.

It is an amenable number.

2157710752 is a deficient number, since it is larger than the sum of its proper divisors (2090282354).

2157710752 is an equidigital number, since it uses as much as digits as its factorization.

2157710752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67428471 (or 67428463 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 37.

The square root of 2157710752 is about 46451.1652383447. The cubic root of 2157710752 is about 1292.2039826565.

The spelling of 2157710752 in words is "two billion, one hundred fifty-seven million, seven hundred ten thousand, seven hundred fifty-two".