496630021 has 4 divisors (see below), whose sum is σ = 510052492. Its totient is φ = 483207552.

The previous prime is 496629997. The next prime is 496630031. The reversal of 496630021 is 120036694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197824225 + 298805796 = 14065^2 + 17286^2 .

It is a cyclic number.

It is not a de Polignac number, because 496630021 - 2⁵ = 496629989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496630031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6711180 + ... + 6711253.

It is an arithmetic number, because the mean of its divisors is an integer number (127513123).

Almost surely, 2^496630021 is an apocalyptic number.

It is an amenable number.

496630021 is a deficient number, since it is larger than the sum of its proper divisors (13422471).

496630021 is a wasteful number, since it uses less digits than its factorization.

496630021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13422470.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 496630021 is about 22285.1973516054. The cubic root of 496630021 is about 791.9133353501.

The spelling of 496630021 in words is "four hundred ninety-six million, six hundred thirty thousand, twenty-one".