28434166043199 has 16 divisors (see below), whose sum is σ = 43328332670208. Its totient is φ = 16248065012352.

The previous prime is 28434166043161. The next prime is 28434166043207. The reversal of 28434166043199 is 99134066143482.

It is not a de Polignac number, because 28434166043199 - 2¹⁵ = 28434166010431 is a prime.

It is a super-2 number, since 2×28434166043199² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28434166043399) 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, 16021164 + ... + 17707230.

It is an arithmetic number, because the mean of its divisors is an integer number (2708020791888).

Almost surely, 2^{28434166043199} is an apocalyptic number.

28434166043199 is a deficient number, since it is larger than the sum of its proper divisors (14894166627009).

28434166043199 is a wasteful number, since it uses less digits than its factorization.

28434166043199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489134.

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 28434166043199 in words is "twenty-eight trillion, four hundred thirty-four billion, one hundred sixty-six million, forty-three thousand, one hundred ninety-nine".