80010658691 has 2 divisors, whose sum is σ = 80010658692. Its totient is φ = 80010658690.

The previous prime is 80010658687. The next prime is 80010658703. The reversal of 80010658691 is 19685601008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80010658691 - 2² = 80010658687 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80010658591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40005329345 + 40005329346.

It is an arithmetic number, because the mean of its divisors is an integer number (40005329346).

Almost surely, 2^80010658691 is an apocalyptic number.

80010658691 is a deficient number, since it is larger than the sum of its proper divisors (1).

80010658691 is an equidigital number, since it uses as much as digits as its factorization.

80010658691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 80010658691 in words is "eighty billion, ten million, six hundred fifty-eight thousand, six hundred ninety-one".