491050466764 has 96 divisors (see below), whose sum is σ = 1048727211840. Its totient is φ = 198103449600.

The previous prime is 491050466749. The next prime is 491050466821. The reversal of 491050466764 is 467664050194.

It is a super-2 number, since 2×491050466764² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3936292 + ... + 4059124.

It is an arithmetic number, because the mean of its divisors is an integer number (10924241790).

Almost surely, 2^491050466764 is an apocalyptic number.

491050466764 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

491050466764 is an abundant number, since it is smaller than the sum of its proper divisors (557676745076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491050466764 is a wasteful number, since it uses less digits than its factorization.

491050466764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123131 (or 123129 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 491050466764 in words is "four hundred ninety-one billion, fifty million, four hundred sixty-six thousand, seven hundred sixty-four".