491344443194 has 64 divisors (see below), whose sum is σ = 866513894400. Its totient is φ = 206708853120.

The previous prime is 491344443119. The next prime is 491344443197.

491344443194 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (491344443197) 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, 2222582 + ... + 2433630.

It is an arithmetic number, because the mean of its divisors is an integer number (13539279600).

Almost surely, 2^491344443194 is an apocalyptic number.

491344443194 is a deficient number, since it is larger than the sum of its proper divisors (375169451206).

491344443194 is a wasteful number, since it uses less digits than its factorization.

491344443194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211235.

The product of its digits is 2985984, while the sum is 50.

The spelling of 491344443194 in words is "four hundred ninety-one billion, three hundred forty-four million, four hundred forty-three thousand, one hundred ninety-four".