493994975191 has 8 divisors (see below), whose sum is σ = 510694402064. Its totient is φ = 477532419840.

The previous prime is 493994975153. The next prime is 493994975213. The reversal of 493994975191 is 191579499394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 493994975191 - 2³³ = 485405040599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493994975191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493994975101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59213640 + ... + 59221981.

It is an arithmetic number, because the mean of its divisors is an integer number (63836800258).

Almost surely, 2^493994975191 is an apocalyptic number.

493994975191 is a deficient number, since it is larger than the sum of its proper divisors (16699426873).

493994975191 is a wasteful number, since it uses less digits than its factorization.

493994975191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118435761.

The product of its digits is 99202320, while the sum is 70.

The spelling of 493994975191 in words is "four hundred ninety-three billion, nine hundred ninety-four million, nine hundred seventy-five thousand, one hundred ninety-one".