15676893613 has 2 divisors, whose sum is σ = 15676893614. Its totient is φ = 15676893612.

The previous prime is 15676893581. The next prime is 15676893641. The reversal of 15676893613 is 31639867651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12855477924 + 2821415689 = 113382^2 + 53117^2 .

It is a cyclic number.

It is not a de Polignac number, because 15676893613 - 2⁵ = 15676893581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15676893013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7838446806 + 7838446807.

It is an arithmetic number, because the mean of its divisors is an integer number (7838446807).

Almost surely, 2^15676893613 is an apocalyptic number.

It is an amenable number.

15676893613 is a deficient number, since it is larger than the sum of its proper divisors (1).

15676893613 is an equidigital number, since it uses as much as digits as its factorization.

15676893613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The spelling of 15676893613 in words is "fifteen billion, six hundred seventy-six million, eight hundred ninety-three thousand, six hundred thirteen".