496680389 has 2 divisors, whose sum is σ = 496680390. Its totient is φ = 496680388.

The previous prime is 496680367. The next prime is 496680391. The reversal of 496680389 is 983086694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363093025 + 133587364 = 19055^2 + 11558^2 .

It is a cyclic number.

It is not a de Polignac number, because 496680389 - 2⁸ = 496680133 is a prime.

Together with 496680391, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 496680389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (496680329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248340194 + 248340195.

It is an arithmetic number, because the mean of its divisors is an integer number (248340195).

Almost surely, 2^496680389 is an apocalyptic number.

It is an amenable number.

496680389 is a deficient number, since it is larger than the sum of its proper divisors (1).

496680389 is an equidigital number, since it uses as much as digits as its factorization.

496680389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 496680389 is about 22286.3274004489. The cubic root of 496680389 is about 791.9401062800.

The spelling of 496680389 in words is "four hundred ninety-six million, six hundred eighty thousand, three hundred eighty-nine".