491010612 has 48 divisors (see below), whose sum is σ = 1186708992. Its totient is φ = 157847040.

The previous prime is 491010607. The next prime is 491010613. The reversal of 491010612 is 216010194.

It is a super-2 number, since 2×491010612² = 482182842193229088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491010613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114328 + ... + 118544.

It is an arithmetic number, because the mean of its divisors is an integer number (24723104).

Almost surely, 2^491010612 is an apocalyptic number.

It is an amenable number.

491010612 is an abundant number, since it is smaller than the sum of its proper divisors (695698380).

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

491010612 is a wasteful number, since it uses less digits than its factorization.

491010612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4566 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 491010612 is about 22158.7592612944. The cubic root of 491010612 is about 788.9151439373.

The spelling of 491010612 in words is "four hundred ninety-one million, ten thousand, six hundred twelve".