2159689371 has 32 divisors (see below), whose sum is σ = 3384089088. Its totient is φ = 1199266560.

The previous prime is 2159689361. The next prime is 2159689379. The reversal of 2159689371 is 1739869512.

2159689371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2159689371 - 2²³ = 2151300763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2159689379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1002031 + ... + 1004183.

It is an arithmetic number, because the mean of its divisors is an integer number (105752784).

Almost surely, 2^2159689371 is an apocalyptic number.

2159689371 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2159689371 is a deficient number, since it is larger than the sum of its proper divisors (1224399717).

2159689371 is a wasteful number, since it uses less digits than its factorization.

2159689371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its digits is 816480, while the sum is 51.

The square root of 2159689371 is about 46472.4581983781. The cubic root of 2159689371 is about 1292.5988453176.

The spelling of 2159689371 in words is "two billion, one hundred fifty-nine million, six hundred eighty-nine thousand, three hundred seventy-one".