80586012989 has 2 divisors, whose sum is σ = 80586012990. Its totient is φ = 80586012988.

The previous prime is 80586012979. The next prime is 80586013003. The reversal of 80586012989 is 98921068508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79250695225 + 1335317764 = 281515^2 + 36542^2 .

It is a cyclic number.

It is not a de Polignac number, because 80586012989 - 2²⁸ = 80317577533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80586012929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40293006494 + 40293006495.

It is an arithmetic number, because the mean of its divisors is an integer number (40293006495).

Almost surely, 2^80586012989 is an apocalyptic number.

It is an amenable number.

80586012989 is a deficient number, since it is larger than the sum of its proper divisors (1).

80586012989 is an equidigital number, since it uses as much as digits as its factorization.

80586012989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 80586012989 in words is "eighty billion, five hundred eighty-six million, twelve thousand, nine hundred eighty-nine".