16517372713 has 2 divisors, whose sum is σ = 16517372714. Its totient is φ = 16517372712.

The previous prime is 16517372689. The next prime is 16517372741. The reversal of 16517372713 is 31727371561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16516619289 + 753424 = 128517^2 + 868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16517372713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16517372713.

It is not a weakly prime, because it can be changed into another prime (16518372713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8258686356 + 8258686357.

It is an arithmetic number, because the mean of its divisors is an integer number (8258686357).

Almost surely, 2^16517372713 is an apocalyptic number.

It is an amenable number.

16517372713 is a deficient number, since it is larger than the sum of its proper divisors (1).

16517372713 is an equidigital number, since it uses as much as digits as its factorization.

16517372713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 43.

The spelling of 16517372713 in words is "sixteen billion, five hundred seventeen million, three hundred seventy-two thousand, seven hundred thirteen".