28409595598 has 4 divisors (see below), whose sum is σ = 42614393400. Its totient is φ = 14204797798.

The previous prime is 28409595551. The next prime is 28409595601. The reversal of 28409595598 is 89559590482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7102398898 + ... + 7102398901.

It is an arithmetic number, because the mean of its divisors is an integer number (10653598350).

Almost surely, 2^28409595598 is an apocalyptic number.

28409595598 is a deficient number, since it is larger than the sum of its proper divisors (14204797802).

28409595598 is a wasteful number, since it uses less digits than its factorization.

28409595598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204797801.

The product of its (nonzero) digits is 46656000, while the sum is 64.

The spelling of 28409595598 in words is "twenty-eight billion, four hundred nine million, five hundred ninety-five thousand, five hundred ninety-eight".