194468888864491 has 16 divisors (see below), whose sum is σ = 196308557272000. Its totient is φ = 192637922070528.

The previous prime is 194468888864363. The next prime is 194468888864531.

194468888864491 is nontrivially palindromic in base 10.

194468888864491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 194468888864491 - 2⁷ = 194468888864363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194468888865491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146162535 + ... + 1146332191.

It is an arithmetic number, because the mean of its divisors is an integer number (12269284829500).

Almost surely, 2^{194468888864491} is an apocalyptic number.

194468888864491 is a deficient number, since it is larger than the sum of its proper divisors (1839668407509).

194468888864491 is a wasteful number, since it uses less digits than its factorization.

194468888864491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195238.

The product of its digits is 24461180928, while the sum is 88.

The spelling of 194468888864491 in words is "one hundred ninety-four trillion, four hundred sixty-eight billion, eight hundred eighty-eight million, eight hundred sixty-four thousand, four hundred ninety-one".