13933236939 has 8 divisors (see below), whose sum is σ = 18928171152. Its totient is φ = 9113563680.

The previous prime is 13933236931. The next prime is 13933236943. The reversal of 13933236939 is 93963233931.

It is a happy number.

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

It is not a de Polignac number, because 13933236939 - 2³ = 13933236931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13933236891 and 13933236900.

It is not an unprimeable number, because it can be changed into a prime (13933236931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43815052 + ... + 43815369.

It is an arithmetic number, because the mean of its divisors is an integer number (2366021394).

Almost surely, 2^13933236939 is an apocalyptic number.

13933236939 is a deficient number, since it is larger than the sum of its proper divisors (4994934213).

13933236939 is an equidigital number, since it uses as much as digits as its factorization.

13933236939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87630477.

The product of its digits is 2125764, while the sum is 51.

The spelling of 13933236939 in words is "thirteen billion, nine hundred thirty-three million, two hundred thirty-six thousand, nine hundred thirty-nine".