493934631187 has 4 divisors (see below), whose sum is σ = 494802706680. Its totient is φ = 493066555696.

The previous prime is 493934631173. The next prime is 493934631209. The reversal of 493934631187 is 781136439394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493934631187 - 2⁷ = 493934631059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493934671187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434036893 + ... + 434038030.

It is an arithmetic number, because the mean of its divisors is an integer number (123700676670).

Almost surely, 2^493934631187 is an apocalyptic number.

493934631187 is a deficient number, since it is larger than the sum of its proper divisors (868075493).

493934631187 is an equidigital number, since it uses as much as digits as its factorization.

493934631187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868075492.

The product of its digits is 11757312, while the sum is 58.

The spelling of 493934631187 in words is "four hundred ninety-three billion, nine hundred thirty-four million, six hundred thirty-one thousand, one hundred eighty-seven".