28273129635 has 16 divisors (see below), whose sum is σ = 45498497184. Its totient is φ = 14991839232.

The previous prime is 28273129601. The next prime is 28273129663. The reversal of 28273129635 is 53692137282.

It is not a de Polignac number, because 28273129635 - 2⁶ = 28273129571 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445022 + ... + 5450211.

It is an arithmetic number, because the mean of its divisors is an integer number (2843656074).

Almost surely, 2^28273129635 is an apocalyptic number.

28273129635 is a deficient number, since it is larger than the sum of its proper divisors (17225367549).

28273129635 is a wasteful number, since it uses less digits than its factorization.

28273129635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895414.

The product of its digits is 1088640, while the sum is 48.

The spelling of 28273129635 in words is "twenty-eight billion, two hundred seventy-three million, one hundred twenty-nine thousand, six hundred thirty-five".