28434882194 has 8 divisors (see below), whose sum is σ = 42708373308. Its totient is φ = 14198757760.

The previous prime is 28434882169. The next prime is 28434882341. The reversal of 28434882194 is 49128843482.

It can be written as a sum of positive squares in 2 ways, for example, as 22399612225 + 6035269969 = 149665^2 + 77687^2 .

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, 9339767 + ... + 9342810.

Almost surely, 2^28434882194 is an apocalyptic number.

28434882194 is a deficient number, since it is larger than the sum of its proper divisors (14273491114).

28434882194 is a wasteful number, since it uses less digits than its factorization.

28434882194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18683340.

The product of its digits is 3538944, while the sum is 53.

The spelling of 28434882194 in words is "twenty-eight billion, four hundred thirty-four million, eight hundred eighty-two thousand, one hundred ninety-four".