491919114585 has 384 divisors, whose sum is σ = 963324149760. Its totient is φ = 213199257600.

The previous prime is 491919114539. The next prime is 491919114691. The reversal of 491919114585 is 585411919194.

It is not a de Polignac number, because 491919114585 - 2¹⁰ = 491919113561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3873378792 + ... + 3873378918.

It is an arithmetic number, because the mean of its divisors is an integer number (2508656640).

Almost surely, 2^491919114585 is an apocalyptic number.

It is an amenable number.

491919114585 is a deficient number, since it is larger than the sum of its proper divisors (471405035175).

491919114585 is a wasteful number, since it uses less digits than its factorization.

491919114585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 280 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 57.

The spelling of 491919114585 in words is "four hundred ninety-one billion, nine hundred nineteen million, one hundred fourteen thousand, five hundred eighty-five".