28140053193 has 12 divisors (see below), whose sum is σ = 46453421248. Its totient is φ = 16080030360.

The previous prime is 28140053173. The next prime is 28140053203. The reversal of 28140053193 is 39135004182.

28140053193 is a `hidden beast` number, since 2 + 81 + 40 + 0 + 531 + 9 + 3 = 666.

It is not a de Polignac number, because 28140053193 - 2²⁹ = 27603182281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28140053173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223333693 + ... + 223333818.

Almost surely, 2^28140053193 is an apocalyptic number.

It is an amenable number.

28140053193 is a deficient number, since it is larger than the sum of its proper divisors (18313368055).

28140053193 is a wasteful number, since it uses less digits than its factorization.

28140053193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446667524 (or 446667521 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 28140053193 in words is "twenty-eight billion, one hundred forty million, fifty-three thousand, one hundred ninety-three".