2159110939 has 4 divisors (see below), whose sum is σ = 2159579224. Its totient is φ = 2158642656.

The previous prime is 2159110937. The next prime is 2159110973. The reversal of 2159110939 is 9390119512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2159110939 - 2¹ = 2159110937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2159110931) 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, 227157 + ... + 236470.

It is an arithmetic number, because the mean of its divisors is an integer number (539894806).

Almost surely, 2^2159110939 is an apocalyptic number.

2159110939 is a deficient number, since it is larger than the sum of its proper divisors (468285).

2159110939 is an equidigital number, since it uses as much as digits as its factorization.

2159110939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468284.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 2159110939 is about 46466.2343966024. The cubic root of 2159110939 is about 1292.4834356193.

The spelling of 2159110939 in words is "two billion, one hundred fifty-nine million, one hundred ten thousand, nine hundred thirty-nine".