491101101101194 has 4 divisors (see below), whose sum is σ = 736651651651794. Its totient is φ = 245550550550596.

The previous prime is 491101101101189. The next prime is 491101101101201.

491101101101194 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 258298351585569 + 232802749515625 = 16071663^2 + 15257875^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122775275275297 + ... + 122775275275300.

Almost surely, 2^{491101101101194} is an apocalyptic number.

491101101101194 is a deficient number, since it is larger than the sum of its proper divisors (245550550550600).

491101101101194 is a wasteful number, since it uses less digits than its factorization.

491101101101194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245550550550599.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 491101101101194 in words is "four hundred ninety-one trillion, one hundred one billion, one hundred one million, one hundred one thousand, one hundred ninety-four".