491063466764 has 12 divisors (see below), whose sum is σ = 925465764384. Its totient is φ = 226644676944.

The previous prime is 491063466731. The next prime is 491063466781. The reversal of 491063466764 is 467664360194.

It is a super-2 number, since 2×491063466764² (a number of 24 digits) contains 22 as substring.

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, 4721764052 + ... + 4721764155.

It is an arithmetic number, because the mean of its divisors is an integer number (77122147032).

Almost surely, 2^491063466764 is an apocalyptic number.

It is an amenable number.

491063466764 is a deficient number, since it is larger than the sum of its proper divisors (434402297620).

491063466764 is a wasteful number, since it uses less digits than its factorization.

491063466764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443528224 (or 9443528222 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 56.

The spelling of 491063466764 in words is "four hundred ninety-one billion, sixty-three million, four hundred sixty-six thousand, seven hundred sixty-four".