28174919512 has 32 divisors (see below), whose sum is σ = 53135367120. Its totient is φ = 14005595520.

The previous prime is 28174919491. The next prime is 28174919551. The reversal of 28174919512 is 21591947182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407018 + ... + 2418694.

Almost surely, 2^28174919512 is an apocalyptic number.

It is an amenable number.

28174919512 is a deficient number, since it is larger than the sum of its proper divisors (24960447608).

28174919512 is a wasteful number, since it uses less digits than its factorization.

28174919512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411 (or 13407 counting only the distinct ones).

The product of its digits is 362880, while the sum is 49.

The spelling of 28174919512 in words is "twenty-eight billion, one hundred seventy-four million, nine hundred nineteen thousand, five hundred twelve".