80586855631349 has 2 divisors, whose sum is σ = 80586855631350. Its totient is φ = 80586855631348.

The previous prime is 80586855631213. The next prime is 80586855631393. The reversal of 80586855631349 is 94313655868508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58587772690225 + 21999082941124 = 7654265^2 + 4690318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80586855631349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80586855631049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40293427815674 + 40293427815675.

It is an arithmetic number, because the mean of its divisors is an integer number (40293427815675).

Almost surely, 2^{80586855631349} is an apocalyptic number.

It is an amenable number.

80586855631349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80586855631349 is an equidigital number, since it uses as much as digits as its factorization.

80586855631349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496000, while the sum is 71.

The spelling of 80586855631349 in words is "eighty trillion, five hundred eighty-six billion, eight hundred fifty-five million, six hundred thirty-one thousand, three hundred forty-nine".