2159689373 has 4 divisors (see below), whose sum is σ = 2161970880. Its totient is φ = 2157407868.

The previous prime is 2159689361. The next prime is 2159689379. The reversal of 2159689373 is 3739869512.

2159689373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2159689373 - 2⁸ = 2159689117 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1139333 + ... + 1141226.

It is an arithmetic number, because the mean of its divisors is an integer number (540492720).

Almost surely, 2^2159689373 is an apocalyptic number.

It is an amenable number.

2159689373 is a deficient number, since it is larger than the sum of its proper divisors (2281507).

2159689373 is an equidigital number, since it uses as much as digits as its factorization.

2159689373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281506.

The product of its digits is 2449440, while the sum is 53.

The square root of 2159689373 is about 46472.4582198962. The cubic root of 2159689373 is about 1292.5988457166.

The spelling of 2159689373 in words is "two billion, one hundred fifty-nine million, six hundred eighty-nine thousand, three hundred seventy-three".