194204428355 has 16 divisors (see below), whose sum is σ = 269985964224. Its totient is φ = 131344519680.

The previous prime is 194204428309. The next prime is 194204428391. The reversal of 194204428355 is 553824402491.

It is not a de Polignac number, because 194204428355 - 2²⁰ = 194203379779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38002226 + ... + 38007335.

It is an arithmetic number, because the mean of its divisors is an integer number (16874122764).

Almost surely, 2^194204428355 is an apocalyptic number.

194204428355 is a deficient number, since it is larger than the sum of its proper divisors (75781535869).

194204428355 is an equidigital number, since it uses as much as digits as its factorization.

194204428355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76009646.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 194204428355 in words is "one hundred ninety-four billion, two hundred four million, four hundred twenty-eight thousand, three hundred fifty-five".