492639799 has 2 divisors, whose sum is σ = 492639800. Its totient is φ = 492639798.

The previous prime is 492639773. The next prime is 492639803. The reversal of 492639799 is 997936294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492639799 - 2⁵ = 492639767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492639299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246319899 + 246319900.

It is an arithmetic number, because the mean of its divisors is an integer number (246319900).

Almost surely, 2^492639799 is an apocalyptic number.

492639799 is a deficient number, since it is larger than the sum of its proper divisors (1).

492639799 is an equidigital number, since it uses as much as digits as its factorization.

492639799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 58.

The square root of 492639799 is about 22195.4905104618. The cubic root of 492639799 is about 789.7867282009.

The spelling of 492639799 in words is "four hundred ninety-two million, six hundred thirty-nine thousand, seven hundred ninety-nine".