2152538690 has 16 divisors (see below), whose sum is σ = 4078494720. Its totient is φ = 815698800.

The previous prime is 2152538629. The next prime is 2152538701. The reversal of 2152538690 is 968352512.

It is a super-2 number, since 2×2152538690² = 9266845623893832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5664386 + ... + 5664765.

It is an arithmetic number, because the mean of its divisors is an integer number (254905920).

Almost surely, 2^2152538690 is an apocalyptic number.

2152538690 is a deficient number, since it is larger than the sum of its proper divisors (1925956030).

2152538690 is a wasteful number, since it uses less digits than its factorization.

2152538690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329177.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 2152538690 is about 46395.4597994243. The cubic root of 2152538690 is about 1291.1706797658.

The spelling of 2152538690 in words is "two billion, one hundred fifty-two million, five hundred thirty-eight thousand, six hundred ninety".