28965934434 has 8 divisors (see below), whose sum is σ = 57931868880. Its totient is φ = 9655311476.

The previous prime is 28965934433. The next prime is 28965934453. The reversal of 28965934434 is 43443956982.

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

28965934434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28965934433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413827864 + ... + 2413827875.

It is an arithmetic number, because the mean of its divisors is an integer number (7241483610).

Almost surely, 2^28965934434 is an apocalyptic number.

28965934434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28965934434 is a wasteful number, since it uses less digits than its factorization.

28965934434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827655744.

The product of its digits is 22394880, while the sum is 57.

The spelling of 28965934434 in words is "twenty-eight billion, nine hundred sixty-five million, nine hundred thirty-four thousand, four hundred thirty-four".