2157562833 has 16 divisors (see below), whose sum is σ = 2957988096. Its totient is φ = 1397848320.

The previous prime is 2157562819. The next prime is 2157562853. The reversal of 2157562833 is 3382657512.

It is a happy number.

It is not a de Polignac number, because 2157562833 - 2⁵ = 2157562801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2157562853) 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, 86760 + ... + 108822.

It is an arithmetic number, because the mean of its divisors is an integer number (184874256).

Almost surely, 2^2157562833 is an apocalyptic number.

It is an amenable number.

2157562833 is a deficient number, since it is larger than the sum of its proper divisors (800425263).

2157562833 is a wasteful number, since it uses less digits than its factorization.

2157562833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22984.

The product of its digits is 302400, while the sum is 42.

The square root of 2157562833 is about 46449.5730120310. The cubic root of 2157562833 is about 1292.1744535381.

The spelling of 2157562833 in words is "two billion, one hundred fifty-seven million, five hundred sixty-two thousand, eight hundred thirty-three".