799490137 has 2 divisors, whose sum is σ = 799490138. Its totient is φ = 799490136.

The previous prime is 799490071. The next prime is 799490149. The reversal of 799490137 is 731094997.

It is a happy number.

799490137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484924441 + 314565696 = 22021^2 + 17736^2 .

It is a cyclic number.

It is not a de Polignac number, because 799490137 - 2¹⁵ = 799457369 is a prime.

It is not a weakly prime, because it can be changed into another prime (799490177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399745068 + 399745069.

It is an arithmetic number, because the mean of its divisors is an integer number (399745069).

Almost surely, 2^799490137 is an apocalyptic number.

It is an amenable number.

799490137 is a deficient number, since it is larger than the sum of its proper divisors (1).

799490137 is an equidigital number, since it uses as much as digits as its factorization.

799490137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 799490137 is about 28275.2566212935. The cubic root of 799490137 is about 928.1205102769.

The spelling of 799490137 in words is "seven hundred ninety-nine million, four hundred ninety thousand, one hundred thirty-seven".