28134303356893 has 16 divisors (see below), whose sum is σ = 30044907878400. Its totient is φ = 26286489411840.

The previous prime is 28134303356857. The next prime is 28134303356903. The reversal of 28134303356893 is 39865330343182.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28134303356893 is a prime.

It is a super-2 number, since 2×28134303356893² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28134303354893) 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, 16218805 + ... + 17869477.

It is an arithmetic number, because the mean of its divisors is an integer number (1877806742400).

Almost surely, 2^{28134303356893} is an apocalyptic number.

It is an amenable number.

28134303356893 is a deficient number, since it is larger than the sum of its proper divisors (1910604521507).

28134303356893 is a wasteful number, since it uses less digits than its factorization.

28134303356893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669692.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 28134303356893 in words is "twenty-eight trillion, one hundred thirty-four billion, three hundred three million, three hundred fifty-six thousand, eight hundred ninety-three".