2159112739 has 16 divisors (see below), whose sum is σ = 2517120000. Its totient is φ = 1813840704.

The previous prime is 2159112733. The next prime is 2159112757. The reversal of 2159112739 is 9372119512.

It is a cyclic number.

It is not a de Polignac number, because 2159112739 - 2³ = 2159112731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2159112731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61512 + ... + 90010.

It is an arithmetic number, because the mean of its divisors is an integer number (157320000).

Almost surely, 2^2159112739 is an apocalyptic number.

2159112739 is a deficient number, since it is larger than the sum of its proper divisors (358007261).

2159112739 is a wasteful number, since it uses less digits than its factorization.

2159112739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28722.

The product of its digits is 34020, while the sum is 40.

The square root of 2159112739 is about 46466.2537655017. The cubic root of 2159112739 is about 1292.4837947903.

The spelling of 2159112739 in words is "two billion, one hundred fifty-nine million, one hundred twelve thousand, seven hundred thirty-nine".