16319888539 has 2 divisors, whose sum is σ = 16319888540. Its totient is φ = 16319888538.

The previous prime is 16319888509. The next prime is 16319888573. The reversal of 16319888539 is 93588891361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16319888539 - 2³³ = 7729953947 is a prime.

It is not a weakly prime, because it can be changed into another prime (16319888509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8159944269 + 8159944270.

It is an arithmetic number, because the mean of its divisors is an integer number (8159944270).

Almost surely, 2^16319888539 is an apocalyptic number.

16319888539 is a deficient number, since it is larger than the sum of its proper divisors (1).

16319888539 is an equidigital number, since it uses as much as digits as its factorization.

16319888539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 61.

The spelling of 16319888539 in words is "sixteen billion, three hundred nineteen million, eight hundred eighty-eight thousand, five hundred thirty-nine".