491935539194 has 8 divisors (see below), whose sum is σ = 804985427808. Its totient is φ = 223607063260.

The previous prime is 491935539133. The next prime is 491935539197.

491935539194 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (491935539197) 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, 11180353142 + ... + 11180353185.

It is an arithmetic number, because the mean of its divisors is an integer number (100623178476).

Almost surely, 2^491935539194 is an apocalyptic number.

491935539194 is a deficient number, since it is larger than the sum of its proper divisors (313049888614).

491935539194 is a wasteful number, since it uses less digits than its factorization.

491935539194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22360706340.

The product of its digits is 23619600, while the sum is 62.

The spelling of 491935539194 in words is "four hundred ninety-one billion, nine hundred thirty-five million, five hundred thirty-nine thousand, one hundred ninety-four".