496645789 has 2 divisors, whose sum is σ = 496645790. Its totient is φ = 496645788.

The previous prime is 496645777. The next prime is 496645801. The reversal of 496645789 is 987546694.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (496645777) and next prime (496645801).

It can be written as a sum of positive squares in only one way, i.e., 446476900 + 50168889 = 21130^2 + 7083^2 .

It is a cyclic number.

It is not a de Polignac number, because 496645789 - 2⁷ = 496645661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (496645489) 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, 248322894 + 248322895.

It is an arithmetic number, because the mean of its divisors is an integer number (248322895).

Almost surely, 2^496645789 is an apocalyptic number.

It is an amenable number.

496645789 is a deficient number, since it is larger than the sum of its proper divisors (1).

496645789 is an equidigital number, since it uses as much as digits as its factorization.

496645789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 58.

The square root of 496645789 is about 22285.5511262342. The cubic root of 496645789 is about 791.9217163425.

The spelling of 496645789 in words is "four hundred ninety-six million, six hundred forty-five thousand, seven hundred eighty-nine".