79935529841 has 2 divisors, whose sum is σ = 79935529842. Its totient is φ = 79935529840.

The previous prime is 79935529799. The next prime is 79935529871. The reversal of 79935529841 is 14892553997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56074240000 + 23861289841 = 236800^2 + 154471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79935529841 is a prime.

It is a super-2 number, since 2×79935529841² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79935529871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39967764920 + 39967764921.

It is an arithmetic number, because the mean of its divisors is an integer number (39967764921).

Almost surely, 2^79935529841 is an apocalyptic number.

It is an amenable number.

79935529841 is a deficient number, since it is larger than the sum of its proper divisors (1).

79935529841 is an equidigital number, since it uses as much as digits as its factorization.

79935529841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24494400, while the sum is 62.

The spelling of 79935529841 in words is "seventy-nine billion, nine hundred thirty-five million, five hundred twenty-nine thousand, eight hundred forty-one".