490227648579 has 8 divisors (see below), whose sum is σ = 726263183120. Its totient is φ = 326818432368.

The previous prime is 490227648571. The next prime is 490227648583. The reversal of 490227648579 is 975846722094.

490227648579 is a `hidden beast` number, since 490 + 2 + 2 + 7 + 64 + 85 + 7 + 9 = 666.

It is not a de Polignac number, because 490227648579 - 2³ = 490227648571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490227648571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9078289762 + ... + 9078289815.

It is an arithmetic number, because the mean of its divisors is an integer number (90782897890).

Almost surely, 2^490227648579 is an apocalyptic number.

490227648579 is a deficient number, since it is larger than the sum of its proper divisors (236035534541).

490227648579 is a wasteful number, since it uses less digits than its factorization.

490227648579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156579586 (or 18156579580 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 490227648579 in words is "four hundred ninety billion, two hundred twenty-seven million, six hundred forty-eight thousand, five hundred seventy-nine".