16579371793 has 2 divisors, whose sum is σ = 16579371794. Its totient is φ = 16579371792.

The previous prime is 16579371769. The next prime is 16579371811. The reversal of 16579371793 is 39717397561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12646576849 + 3932794944 = 112457^2 + 62712^2 .

It is a cyclic number.

It is not a de Polignac number, because 16579371793 - 2¹³ = 16579363601 is a prime.

It is not a weakly prime, because it can be changed into another prime (16579371293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8289685896 + 8289685897.

It is an arithmetic number, because the mean of its divisors is an integer number (8289685897).

Almost surely, 2^16579371793 is an apocalyptic number.

It is an amenable number.

16579371793 is a deficient number, since it is larger than the sum of its proper divisors (1).

16579371793 is an equidigital number, since it uses as much as digits as its factorization.

16579371793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7501410, while the sum is 58.

The spelling of 16579371793 in words is "sixteen billion, five hundred seventy-nine million, three hundred seventy-one thousand, seven hundred ninety-three".