794190689 has 2 divisors, whose sum is σ = 794190690. Its totient is φ = 794190688.

The previous prime is 794190679. The next prime is 794190763. The reversal of 794190689 is 986091497.

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., 694849600 + 99341089 = 26360^2 + 9967^2 .

It is an emirp because it is prime and its reverse (986091497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 794190689 - 2¹² = 794186593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 794190689.

It is not a weakly prime, because it can be changed into another prime (794190619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397095344 + 397095345.

It is an arithmetic number, because the mean of its divisors is an integer number (397095345).

Almost surely, 2^794190689 is an apocalyptic number.

It is an amenable number.

794190689 is a deficient number, since it is larger than the sum of its proper divisors (1).

794190689 is an equidigital number, since it uses as much as digits as its factorization.

794190689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 794190689 is about 28181.3890537709. The cubic root of 794190689 is about 926.0652695295.

The spelling of 794190689 in words is "seven hundred ninety-four million, one hundred ninety thousand, six hundred eighty-nine".