2116938239 has 16 divisors (see below), whose sum is σ = 2443207872. Its totient is φ = 1818609408.

The previous prime is 2116938227. The next prime is 2116938269. The reversal of 2116938239 is 9328396112.

It is a cyclic number.

It is not a de Polignac number, because 2116938239 - 2⁴ = 2116938223 is a prime.

It is a super-2 number, since 2×2116938239² = 8962855015480842242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2116938239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116938269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84614 + ... + 106739.

It is an arithmetic number, because the mean of its divisors is an integer number (152700492).

Almost surely, 2^2116938239 is an apocalyptic number.

2116938239 is a deficient number, since it is larger than the sum of its proper divisors (326269633).

2116938239 is a wasteful number, since it uses less digits than its factorization.

2116938239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191426.

The product of its digits is 139968, while the sum is 44.

The square root of 2116938239 is about 46010.1971197690. The cubic root of 2116938239 is about 1284.0129265609.

The spelling of 2116938239 in words is "two billion, one hundred sixteen million, nine hundred thirty-eight thousand, two hundred thirty-nine".