204598194394 has 8 divisors (see below), whose sum is σ = 334797045408. Its totient is φ = 92999179260.

The previous prime is 204598194389. The next prime is 204598194401. The reversal of 204598194394 is 493491895402.

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

It is a super-2 number, since 2×204598194394² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649958942 + ... + 4649958985.

It is an arithmetic number, because the mean of its divisors is an integer number (41849630676).

Almost surely, 2^204598194394 is an apocalyptic number.

204598194394 is a deficient number, since it is larger than the sum of its proper divisors (130198851014).

204598194394 is a wasteful number, since it uses less digits than its factorization.

204598194394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299917940.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 204598194394 in words is "two hundred four billion, five hundred ninety-eight million, one hundred ninety-four thousand, three hundred ninety-four".