28431141612 has 12 divisors (see below), whose sum is σ = 66339330456. Its totient is φ = 9477047200.

The previous prime is 28431141601. The next prime is 28431141637. The reversal of 28431141612 is 21614113482.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1184630889 + ... + 1184630912.

It is an arithmetic number, because the mean of its divisors is an integer number (5528277538).

Almost surely, 2^28431141612 is an apocalyptic number.

It is an amenable number.

28431141612 is an abundant number, since it is smaller than the sum of its proper divisors (37908188844).

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

28431141612 is a wasteful number, since it uses less digits than its factorization.

28431141612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369261808 (or 2369261806 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The spelling of 28431141612 in words is "twenty-eight billion, four hundred thirty-one million, one hundred forty-one thousand, six hundred twelve".