491392293194 has 64 divisors (see below), whose sum is σ = 823866163200. Its totient is φ = 217945728000.

The previous prime is 491392293191. The next prime is 491392293209.

491392293194 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (491392293191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59987639 + ... + 59995829.

It is an arithmetic number, because the mean of its divisors is an integer number (12872908800).

Almost surely, 2^491392293194 is an apocalyptic number.

491392293194 is a deficient number, since it is larger than the sum of its proper divisors (332473870006).

491392293194 is a wasteful number, since it uses less digits than its factorization.

491392293194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667.

The product of its digits is 3779136, while the sum is 56.

The spelling of 491392293194 in words is "four hundred ninety-one billion, three hundred ninety-two million, two hundred ninety-three thousand, one hundred ninety-four".