80674813361 has 2 divisors, whose sum is σ = 80674813362. Its totient is φ = 80674813360.

The previous prime is 80674813339. The next prime is 80674813441. The reversal of 80674813361 is 16331847608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65053563136 + 15621250225 = 255056^2 + 124985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80674813361 is a prime.

It is not a weakly prime, because it can be changed into another prime (80674813321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40337406680 + 40337406681.

It is an arithmetic number, because the mean of its divisors is an integer number (40337406681).

Almost surely, 2^80674813361 is an apocalyptic number.

It is an amenable number.

80674813361 is a deficient number, since it is larger than the sum of its proper divisors (1).

80674813361 is an equidigital number, since it uses as much as digits as its factorization.

80674813361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 80674813361 in words is "eighty billion, six hundred seventy-four million, eight hundred thirteen thousand, three hundred sixty-one".