28869852453 has 32 divisors (see below), whose sum is σ = 42822205440. Its totient is φ = 17180579520.

The previous prime is 28869852439. The next prime is 28869852493. The reversal of 28869852453 is 35425896882.

It is a happy number.

It is not a de Polignac number, because 28869852453 - 2¹⁰ = 28869851429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28869852433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833468 + ... + 1849146.

It is an arithmetic number, because the mean of its divisors is an integer number (1338193920).

Almost surely, 2^28869852453 is an apocalyptic number.

It is an amenable number.

28869852453 is a deficient number, since it is larger than the sum of its proper divisors (13952352987).

28869852453 is a wasteful number, since it uses less digits than its factorization.

28869852453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17249.

The product of its digits is 33177600, while the sum is 60.

The spelling of 28869852453 in words is "twenty-eight billion, eight hundred sixty-nine million, eight hundred fifty-two thousand, four hundred fifty-three".