13501324939 has 2 divisors, whose sum is σ = 13501324940. Its totient is φ = 13501324938.

The previous prime is 13501324933. The next prime is 13501325011. The reversal of 13501324939 is 93942310531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13501324939 - 2²⁵ = 13467770507 is a prime.

It is not a weakly prime, because it can be changed into another prime (13501324933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750662469 + 6750662470.

It is an arithmetic number, because the mean of its divisors is an integer number (6750662470).

Almost surely, 2^13501324939 is an apocalyptic number.

13501324939 is a deficient number, since it is larger than the sum of its proper divisors (1).

13501324939 is an equidigital number, since it uses as much as digits as its factorization.

13501324939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 13501324939 in words is "thirteen billion, five hundred one million, three hundred twenty-four thousand, nine hundred thirty-nine".