671097315799 has 2 divisors, whose sum is σ = 671097315800. Its totient is φ = 671097315798.

The previous prime is 671097315751. The next prime is 671097315839. The reversal of 671097315799 is 997513790176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671097315799 - 2¹⁹ = 671096791511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 671097315799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671097315299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335548657899 + 335548657900.

It is an arithmetic number, because the mean of its divisors is an integer number (335548657900).

Almost surely, 2^671097315799 is an apocalyptic number.

671097315799 is a deficient number, since it is larger than the sum of its proper divisors (1).

671097315799 is an equidigital number, since it uses as much as digits as its factorization.

671097315799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22504230, while the sum is 64.

The spelling of 671097315799 in words is "six hundred seventy-one billion, ninety-seven million, three hundred fifteen thousand, seven hundred ninety-nine".