2153572834 has 32 divisors (see below), whose sum is σ = 3780835200. Its totient is φ = 919615536.

The previous prime is 2153572829. The next prime is 2153572849. The reversal of 2153572834 is 4382753512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188592 + ... + 199684.

It is an arithmetic number, because the mean of its divisors is an integer number (118151100).

Almost surely, 2^2153572834 is an apocalyptic number.

2153572834 is a deficient number, since it is larger than the sum of its proper divisors (1627262366).

2153572834 is a wasteful number, since it uses less digits than its factorization.

2153572834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399 (or 11385 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 2153572834 is about 46406.6033447827. The cubic root of 2153572834 is about 1291.3774190055.

The spelling of 2153572834 in words is "two billion, one hundred fifty-three million, five hundred seventy-two thousand, eight hundred thirty-four".