79646735164943 has 2 divisors, whose sum is σ = 79646735164944. Its totient is φ = 79646735164942.

The previous prime is 79646735164783. The next prime is 79646735164961. The reversal of 79646735164943 is 34946153764697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79646735164943 - 2⁴⁴ = 62054549120527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79646735164973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39823367582471 + 39823367582472.

It is an arithmetic number, because the mean of its divisors is an integer number (39823367582472).

Almost surely, 2^{79646735164943} is an apocalyptic number.

79646735164943 is a deficient number, since it is larger than the sum of its proper divisors (1).

79646735164943 is an equidigital number, since it uses as much as digits as its factorization.

79646735164943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2469035520, while the sum is 74.

The spelling of 79646735164943 in words is "seventy-nine trillion, six hundred forty-six billion, seven hundred thirty-five million, one hundred sixty-four thousand, nine hundred forty-three".