496364639 has 2 divisors, whose sum is σ = 496364640. Its totient is φ = 496364638.

The previous prime is 496364611. The next prime is 496364647. The reversal of 496364639 is 936463694.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 496364639 - 2¹⁶ = 496299103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (496364669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248182319 + 248182320.

It is an arithmetic number, because the mean of its divisors is an integer number (248182320).

Almost surely, 2^496364639 is an apocalyptic number.

496364639 is a deficient number, since it is larger than the sum of its proper divisors (1).

496364639 is an equidigital number, since it uses as much as digits as its factorization.

496364639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 50.

The square root of 496364639 is about 22279.2423345140. The cubic root of 496364639 is about 791.7722531353.

The spelling of 496364639 in words is "four hundred ninety-six million, three hundred sixty-four thousand, six hundred thirty-nine".