496444721 has 2 divisors, whose sum is σ = 496444722. Its totient is φ = 496444720.

The previous prime is 496444679. The next prime is 496444747. The reversal of 496444721 is 127444694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252460321 + 243984400 = 15889^2 + 15620^2 .

It is a cyclic number.

It is not a de Polignac number, because 496444721 - 2¹⁰ = 496443697 is a prime.

It is a super-2 number, since 2×496444721² = 492914722017535682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (496444321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248222360 + 248222361.

It is an arithmetic number, because the mean of its divisors is an integer number (248222361).

Almost surely, 2^496444721 is an apocalyptic number.

It is an amenable number.

496444721 is a deficient number, since it is larger than the sum of its proper divisors (1).

496444721 is an equidigital number, since it uses as much as digits as its factorization.

496444721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 496444721 is about 22281.0394954993. The cubic root of 496444721 is about 791.8148315752.

The spelling of 496444721 in words is "four hundred ninety-six million, four hundred forty-four thousand, seven hundred twenty-one".