794394064391 has 2 divisors, whose sum is σ = 794394064392. Its totient is φ = 794394064390.

The previous prime is 794394064367. The next prime is 794394064403. The reversal of 794394064391 is 193460493497.

It is a strong prime.

It is an emirp because it is prime and its reverse (193460493497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 794394064391 - 2⁶ = 794394064327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 794394064391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (794394064361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397197032195 + 397197032196.

It is an arithmetic number, because the mean of its divisors is an integer number (397197032196).

Almost surely, 2^794394064391 is an apocalyptic number.

794394064391 is a deficient number, since it is larger than the sum of its proper divisors (1).

794394064391 is an equidigital number, since it uses as much as digits as its factorization.

794394064391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 794394064391 in words is "seven hundred ninety-four billion, three hundred ninety-four million, sixty-four thousand, three hundred ninety-one".