494884775636 has 12 divisors (see below), whose sum is σ = 866115526080. Its totient is φ = 247423196760.

The previous prime is 494884775629. The next prime is 494884775663. The reversal of 494884775636 is 636577488494.

It is a self number, because there is not a number n which added to its sum of digits gives 494884775636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4739666 + ... + 4842953.

It is an arithmetic number, because the mean of its divisors is an integer number (72176293840).

Almost surely, 2^494884775636 is an apocalyptic number.

It is an amenable number.

494884775636 is a deficient number, since it is larger than the sum of its proper divisors (371230750444).

494884775636 is a wasteful number, since it uses less digits than its factorization.

494884775636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595534 (or 9595532 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 71.

The spelling of 494884775636 in words is "four hundred ninety-four billion, eight hundred eighty-four million, seven hundred seventy-five thousand, six hundred thirty-six".