4345404194 has 4 divisors (see below), whose sum is σ = 6518106294. Its totient is φ = 2172702096.

The previous prime is 4345404127. The next prime is 4345404241. The reversal of 4345404194 is 4914045434.

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., 4104067969 + 241336225 = 64063^2 + 15535^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086351047 + ... + 1086351050.

Almost surely, 2^4345404194 is an apocalyptic number.

4345404194 is a deficient number, since it is larger than the sum of its proper divisors (2172702100).

4345404194 is a wasteful number, since it uses less digits than its factorization.

4345404194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172702099.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 4345404194 is about 65919.6798687615. The cubic root of 4345404194 is about 1631.8368135183.

The spelling of 4345404194 in words is "four billion, three hundred forty-five million, four hundred four thousand, one hundred ninety-four".