16308538539239 has 2 divisors, whose sum is σ = 16308538539240. Its totient is φ = 16308538539238.

The previous prime is 16308538539193. The next prime is 16308538539257. The reversal of 16308538539239 is 93293583580361.

It is a strong prime.

It is an emirp because it is prime and its reverse (93293583580361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16308538539239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16308538539269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8154269269619 + 8154269269620.

It is an arithmetic number, because the mean of its divisors is an integer number (8154269269620).

Almost surely, 2^{16308538539239} is an apocalyptic number.

16308538539239 is a deficient number, since it is larger than the sum of its proper divisors (1).

16308538539239 is an equidigital number, since it uses as much as digits as its factorization.

16308538539239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125971200, while the sum is 65.

The spelling of 16308538539239 in words is "sixteen trillion, three hundred eight billion, five hundred thirty-eight million, five hundred thirty-nine thousand, two hundred thirty-nine".