491569314119 has 64 divisors (see below), whose sum is σ = 592173711360. Its totient is φ = 403633704960.

The previous prime is 491569314053. The next prime is 491569314121. The reversal of 491569314119 is 911413965194.

It is a cyclic number.

It is not a de Polignac number, because 491569314119 - 2²⁴ = 491552536903 is a prime.

It is a super-2 number, since 2×491569314119² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491569314179) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183214952 + ... + 183217634.

It is an arithmetic number, because the mean of its divisors is an integer number (9252714240).

Almost surely, 2^491569314119 is an apocalyptic number.

491569314119 is a deficient number, since it is larger than the sum of its proper divisors (100604397241).

491569314119 is a wasteful number, since it uses less digits than its factorization.

491569314119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360.

The product of its digits is 1049760, while the sum is 53.

The spelling of 491569314119 in words is "four hundred ninety-one billion, five hundred sixty-nine million, three hundred fourteen thousand, one hundred nineteen".