80642154701 has 2 divisors, whose sum is σ = 80642154702. Its totient is φ = 80642154700.

The previous prime is 80642154673. The next prime is 80642154707. The reversal of 80642154701 is 10745124608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63297528100 + 17344626601 = 251590^2 + 131699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80642154701 is a prime.

It is a super-2 number, since 2×80642154701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80642154707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40321077350 + 40321077351.

It is an arithmetic number, because the mean of its divisors is an integer number (40321077351).

Almost surely, 2^80642154701 is an apocalyptic number.

It is an amenable number.

80642154701 is a deficient number, since it is larger than the sum of its proper divisors (1).

80642154701 is an equidigital number, since it uses as much as digits as its factorization.

80642154701 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 38.

The spelling of 80642154701 in words is "eighty billion, six hundred forty-two million, one hundred fifty-four thousand, seven hundred one".