794489569 has 2 divisors, whose sum is σ = 794489570. Its totient is φ = 794489568.

The previous prime is 794489537. The next prime is 794489609. The reversal of 794489569 is 965984497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560032225 + 234457344 = 23665^2 + 15312^2 .

It is an emirp because it is prime and its reverse (965984497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 794489569 - 2⁵ = 794489537 is a prime.

It is a super-2 number, since 2×794489569² = 1262427350499611522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (794480569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397244784 + 397244785.

It is an arithmetic number, because the mean of its divisors is an integer number (397244785).

Almost surely, 2^794489569 is an apocalyptic number.

It is an amenable number.

794489569 is a deficient number, since it is larger than the sum of its proper divisors (1).

794489569 is an equidigital number, since it uses as much as digits as its factorization.

794489569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 61.

The square root of 794489569 is about 28186.6913453850. The cubic root of 794489569 is about 926.1814245361.

The spelling of 794489569 in words is "seven hundred ninety-four million, four hundred eighty-nine thousand, five hundred sixty-nine".