496192721 has 2 divisors, whose sum is σ = 496192722. Its totient is φ = 496192720.

The previous prime is 496192679. The next prime is 496192793. The reversal of 496192721 is 127291694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425968321 + 70224400 = 20639^2 + 8380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-496192721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (496192121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248096360 + 248096361.

It is an arithmetic number, because the mean of its divisors is an integer number (248096361).

Almost surely, 2^496192721 is an apocalyptic number.

It is an amenable number.

496192721 is a deficient number, since it is larger than the sum of its proper divisors (1).

496192721 is an equidigital number, since it uses as much as digits as its factorization.

496192721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 496192721 is about 22275.3837452916. The cubic root of 496192721 is about 791.6808313526.

The spelling of 496192721 in words is "four hundred ninety-six million, one hundred ninety-two thousand, seven hundred twenty-one".