2159523472 has 20 divisors (see below), whose sum is σ = 4216020336. Its totient is φ = 1071518240.

The previous prime is 2159523439. The next prime is 2159523479. The reversal of 2159523472 is 2743259512.

It is a super-2 number, since 2×2159523472² = 9327083252237869568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2159523479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513058 + ... + 517249.

Almost surely, 2^2159523472 is an apocalyptic number.

It is an amenable number.

2159523472 is a deficient number, since it is larger than the sum of its proper divisors (2056496864).

2159523472 is a wasteful number, since it uses less digits than its factorization.

2159523472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030446 (or 1030440 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 2159523472 is about 46470.6732466832. The cubic root of 2159523472 is about 1292.5657469857.

The spelling of 2159523472 in words is "two billion, one hundred fifty-nine million, five hundred twenty-three thousand, four hundred seventy-two".