28259093934434 has 32 divisors (see below), whose sum is σ = 48965245479936. Its totient is φ = 12088719832320.

The previous prime is 28259093934433. The next prime is 28259093934457. The reversal of 28259093934434 is 43443939095282.

It is not an unprimeable number, because it can be changed into a prime (28259093934433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3918719 + ... + 8477885.

It is an arithmetic number, because the mean of its divisors is an integer number (1530163921248).

Almost surely, 2^{28259093934434} is an apocalyptic number.

28259093934434 is a deficient number, since it is larger than the sum of its proper divisors (20706151545502).

28259093934434 is a wasteful number, since it uses less digits than its factorization.

28259093934434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575770.

The product of its (nonzero) digits is 201553920, while the sum is 65.

The spelling of 28259093934434 in words is "twenty-eight trillion, two hundred fifty-nine billion, ninety-three million, nine hundred thirty-four thousand, four hundred thirty-four".