28182534634 has 8 divisors (see below), whose sum is σ = 42281213508. Its totient is φ = 14088796800.

The previous prime is 28182534607. The next prime is 28182534691. The reversal of 28182534634 is 43643528182.

It can be written as a sum of positive squares in 2 ways, for example, as 27971559009 + 210975625 = 167247^2 + 14525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220967 + ... + 1243834.

Almost surely, 2^28182534634 is an apocalyptic number.

28182534634 is a deficient number, since it is larger than the sum of its proper divisors (14098678874).

28182534634 is a wasteful number, since it uses less digits than its factorization.

28182534634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470520.

The product of its digits is 1105920, while the sum is 46.

The spelling of 28182534634 in words is "twenty-eight billion, one hundred eighty-two million, five hundred thirty-four thousand, six hundred thirty-four".