490318446651 has 16 divisors (see below), whose sum is σ = 713271907200. Its totient is φ = 297128761920.

The previous prime is 490318446643. The next prime is 490318446671. The reversal of 490318446651 is 156644813094.

It is a happy number.

It is not a de Polignac number, because 490318446651 - 2³ = 490318446643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490318446594 and 490318446603.

It is not an unprimeable number, because it can be changed into a prime (490318446601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553426 + ... + 1134423.

It is an arithmetic number, because the mean of its divisors is an integer number (44579494200).

Almost surely, 2^490318446651 is an apocalyptic number.

490318446651 is a deficient number, since it is larger than the sum of its proper divisors (222953460549).

490318446651 is a wasteful number, since it uses less digits than its factorization.

490318446651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696666.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 490318446651 in words is "four hundred ninety billion, three hundred eighteen million, four hundred forty-six thousand, six hundred fifty-one".