16765105013 has 2 divisors, whose sum is σ = 16765105014. Its totient is φ = 16765105012.

The previous prime is 16765104977. The next prime is 16765105043. The reversal of 16765105013 is 31050156761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15729423889 + 1035681124 = 125417^2 + 32182^2 .

It is a cyclic number.

It is not a de Polignac number, because 16765105013 - 2⁸ = 16765104757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16765105043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382552506 + 8382552507.

It is an arithmetic number, because the mean of its divisors is an integer number (8382552507).

Almost surely, 2^16765105013 is an apocalyptic number.

It is an amenable number.

16765105013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16765105013 is an equidigital number, since it uses as much as digits as its factorization.

16765105013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 16765105013 in words is "sixteen billion, seven hundred sixty-five million, one hundred five thousand, thirteen".