16975244813 has 2 divisors, whose sum is σ = 16975244814. Its totient is φ = 16975244812.

The previous prime is 16975244807. The next prime is 16975244927. The reversal of 16975244813 is 31844257961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16675331689 + 299913124 = 129133^2 + 17318^2 .

It is an emirp because it is prime and its reverse (31844257961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16975244813 - 2⁶ = 16975244749 is a prime.

It is a super-2 number, since 2×16975244813² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16975244113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8487622406 + 8487622407.

It is an arithmetic number, because the mean of its divisors is an integer number (8487622407).

Almost surely, 2^16975244813 is an apocalyptic number.

It is an amenable number.

16975244813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16975244813 is an equidigital number, since it uses as much as digits as its factorization.

16975244813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The spelling of 16975244813 in words is "sixteen billion, nine hundred seventy-five million, two hundred forty-four thousand, eight hundred thirteen".