80586446393 has 2 divisors, whose sum is σ = 80586446394. Its totient is φ = 80586446392.

The previous prime is 80586446371. The next prime is 80586446429. The reversal of 80586446393 is 39364468508.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77482619449 + 3103826944 = 278357^2 + 55712^2 .

It is a cyclic number.

It is not a de Polignac number, because 80586446393 - 2²⁴ = 80569669177 is a prime.

It is not a weakly prime, because it can be changed into another prime (80586446093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40293223196 + 40293223197.

It is an arithmetic number, because the mean of its divisors is an integer number (40293223197).

Almost surely, 2^80586446393 is an apocalyptic number.

It is an amenable number.

80586446393 is a deficient number, since it is larger than the sum of its proper divisors (1).

80586446393 is an equidigital number, since it uses as much as digits as its factorization.

80586446393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 80586446393 in words is "eighty billion, five hundred eighty-six million, four hundred forty-six thousand, three hundred ninety-three".