491109584754 has 16 divisors (see below), whose sum is σ = 982245447360. Its totient is φ = 163698815280.

The previous prime is 491109584729. The next prime is 491109584803. The reversal of 491109584754 is 457485901194.

It is a junction number, because it is equal to n+sod(n) for n = 491109584694 and 491109584703.

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, 847657 + ... + 1304124.

It is an arithmetic number, because the mean of its divisors is an integer number (61390340460).

Almost surely, 2^491109584754 is an apocalyptic number.

491109584754 is an abundant number, since it is smaller than the sum of its proper divisors (491135862606).

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

491109584754 is a wasteful number, since it uses less digits than its factorization.

491109584754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189825.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 491109584754 in words is "four hundred ninety-one billion, one hundred nine million, five hundred eighty-four thousand, seven hundred fifty-four".