80602640056369 has 2 divisors, whose sum is σ = 80602640056370. Its totient is φ = 80602640056368.

The previous prime is 80602640056349. The next prime is 80602640056397. The reversal of 80602640056369 is 96365004620608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69744428823969 + 10858211232400 = 8351313^2 + 3295180^2 .

It is a cyclic number.

It is not a de Polignac number, because 80602640056369 - 2⁴³ = 71806547034161 is a prime.

It is a super-2 number, since 2×80602640056369² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80602640056349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40301320028184 + 40301320028185.

It is an arithmetic number, because the mean of its divisors is an integer number (40301320028185).

Almost surely, 2^{80602640056369} is an apocalyptic number.

It is an amenable number.

80602640056369 is a deficient number, since it is larger than the sum of its proper divisors (1).

80602640056369 is an equidigital number, since it uses as much as digits as its factorization.

80602640056369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 80602640056369 in words is "eighty trillion, six hundred two billion, six hundred forty million, fifty-six thousand, three hundred sixty-nine".