496667309 has 2 divisors, whose sum is σ = 496667310. Its totient is φ = 496667308.

The previous prime is 496667299. The next prime is 496667323. The reversal of 496667309 is 903766694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411197284 + 85470025 = 20278^2 + 9245^2 .

It is a cyclic number.

It is not a de Polignac number, because 496667309 - 2²⁰ = 495618733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (496667209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248333654 + 248333655.

It is an arithmetic number, because the mean of its divisors is an integer number (248333655).

Almost surely, 2^496667309 is an apocalyptic number.

It is an amenable number.

496667309 is a deficient number, since it is larger than the sum of its proper divisors (1).

496667309 is an equidigital number, since it uses as much as digits as its factorization.

496667309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 496667309 is about 22286.0339450518. The cubic root of 496667309 is about 791.9331543462.

The spelling of 496667309 in words is "four hundred ninety-six million, six hundred sixty-seven thousand, three hundred nine".