493878459291 has 16 divisors (see below), whose sum is σ = 752775024384. Its totient is φ = 282141890784.

The previous prime is 493878459281. The next prime is 493878459307. The reversal of 493878459291 is 192954878394.

It is not a de Polignac number, because 493878459291 - 2¹⁵ = 493878426523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493878459281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017185 + ... + 3176658.

It is an arithmetic number, because the mean of its divisors is an integer number (47048439024).

Almost surely, 2^493878459291 is an apocalyptic number.

493878459291 is a deficient number, since it is larger than the sum of its proper divisors (258896565093).

493878459291 is a wasteful number, since it uses less digits than its factorization.

493878459291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197650.

The product of its digits is 156764160, while the sum is 69.

The spelling of 493878459291 in words is "four hundred ninety-three billion, eight hundred seventy-eight million, four hundred fifty-nine thousand, two hundred ninety-one".