491582713560 has 32 divisors (see below), whose sum is σ = 1474748141040. Its totient is φ = 131088723584.

The previous prime is 491582713529. The next prime is 491582713591. The reversal of 491582713560 is 65317285194.

It is an interprime number because it is at equal distance from previous prime (491582713529) and next prime (491582713591).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048261187 + ... + 2048261426.

It is a 2-persistent number, because it is pandigital, and so is 2⋅491582713560 = 983165427120, but 3⋅491582713560 = 1474748140680 is not.

Almost surely, 2^491582713560 is an apocalyptic number.

491582713560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

491582713560 is an abundant number, since it is smaller than the sum of its proper divisors (983165427480).

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

491582713560 is a wasteful number, since it uses less digits than its factorization.

491582713560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096522627 (or 4096522623 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 491582713560 in words is "four hundred ninety-one billion, five hundred eighty-two million, seven hundred thirteen thousand, five hundred sixty".