791374049 has 2 divisors, whose sum is σ = 791374050. Its totient is φ = 791374048.

The previous prime is 791374009. The next prime is 791374057. The reversal of 791374049 is 940473197.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400600225 + 390773824 = 20015^2 + 19768^2 .

It is a cyclic number.

It is not a de Polignac number, because 791374049 - 2²⁴ = 774596833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (791374009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395687024 + 395687025.

It is an arithmetic number, because the mean of its divisors is an integer number (395687025).

Almost surely, 2^791374049 is an apocalyptic number.

It is an amenable number.

791374049 is a deficient number, since it is larger than the sum of its proper divisors (1).

791374049 is an equidigital number, since it uses as much as digits as its factorization.

791374049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 791374049 is about 28131.3712605696. The cubic root of 791374049 is about 924.9691926433.

The spelling of 791374049 in words is "seven hundred ninety-one million, three hundred seventy-four thousand, forty-nine".