491120000021194 has 8 divisors (see below), whose sum is σ = 736681504829220. Its totient is φ = 245559498411456.

The previous prime is 491120000021141. The next prime is 491120000021207.

491120000021194 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 360086488643025 + 131033511378169 = 18975945^2 + 11446987^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249574489 + ... + 251534620.

Almost surely, 2^{491120000021194} is an apocalyptic number.

491120000021194 is a deficient number, since it is larger than the sum of its proper divisors (245561504808026).

491120000021194 is a wasteful number, since it uses less digits than its factorization.

491120000021194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501599144.

The product of its (nonzero) digits is 5184, while the sum is 34.

It can be divided in two parts, 4911200000 and 21194, that added together give a palindrome (4911221194).

The spelling of 491120000021194 in words is "four hundred ninety-one trillion, one hundred twenty billion, twenty-one thousand, one hundred ninety-four".