80010642457 has 2 divisors, whose sum is σ = 80010642458. Its totient is φ = 80010642456.

The previous prime is 80010642389. The next prime is 80010642463. The reversal of 80010642457 is 75424601008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79645870656 + 364771801 = 282216^2 + 19099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80010642457 is a prime.

It is not a weakly prime, because it can be changed into another prime (80010648457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40005321228 + 40005321229.

It is an arithmetic number, because the mean of its divisors is an integer number (40005321229).

Almost surely, 2^80010642457 is an apocalyptic number.

It is an amenable number.

80010642457 is a deficient number, since it is larger than the sum of its proper divisors (1).

80010642457 is an equidigital number, since it uses as much as digits as its factorization.

80010642457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 80010642457 in words is "eighty billion, ten million, six hundred forty-two thousand, four hundred fifty-seven".