2159002738 has 8 divisors (see below), whose sum is σ = 3313818288. Its totient is φ = 1054396644.

The previous prime is 2159002721. The next prime is 2159002757. The reversal of 2159002738 is 8372009512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2159002738² = 9322585645382993288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2159002697 and 2159002706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12552256 + ... + 12552427.

It is an arithmetic number, because the mean of its divisors is an integer number (414227286).

Almost surely, 2^2159002738 is an apocalyptic number.

2159002738 is a deficient number, since it is larger than the sum of its proper divisors (1154815550).

2159002738 is a wasteful number, since it uses less digits than its factorization.

2159002738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104728.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2159002738 is about 46465.0700849574. The cubic root of 2159002738 is about 1292.4618448905.

The spelling of 2159002738 in words is "two billion, one hundred fifty-nine million, two thousand, seven hundred thirty-eight".