16315233593 has 2 divisors, whose sum is σ = 16315233594. Its totient is φ = 16315233592.

The previous prime is 16315233581. The next prime is 16315233601. The reversal of 16315233593 is 39533251361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16177804864 + 137428729 = 127192^2 + 11723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16315233593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16315233593.

It is not a weakly prime, because it can be changed into another prime (16315233553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157616796 + 8157616797.

It is an arithmetic number, because the mean of its divisors is an integer number (8157616797).

Almost surely, 2^16315233593 is an apocalyptic number.

It is an amenable number.

16315233593 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315233593 is an equidigital number, since it uses as much as digits as its factorization.

16315233593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 41.

The spelling of 16315233593 in words is "sixteen billion, three hundred fifteen million, two hundred thirty-three thousand, five hundred ninety-three".