79164481633 has 2 divisors, whose sum is σ = 79164481634. Its totient is φ = 79164481632.

The previous prime is 79164481603. The next prime is 79164481637. The reversal of 79164481633 is 33618446197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40163366464 + 39001115169 = 200408^2 + 197487^2 .

It is a cyclic number.

It is not a de Polignac number, because 79164481633 - 2⁵ = 79164481601 is a prime.

It is not a weakly prime, because it can be changed into another prime (79164481637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39582240816 + 39582240817.

It is an arithmetic number, because the mean of its divisors is an integer number (39582240817).

Almost surely, 2^79164481633 is an apocalyptic number.

It is an amenable number.

79164481633 is a deficient number, since it is larger than the sum of its proper divisors (1).

79164481633 is an equidigital number, since it uses as much as digits as its factorization.

79164481633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 52.

The spelling of 79164481633 in words is "seventy-nine billion, one hundred sixty-four million, four hundred eighty-one thousand, six hundred thirty-three".