28483936393 has 32 divisors (see below), whose sum is σ = 33473364480. Its totient is φ = 24164038800.

The previous prime is 28483936343. The next prime is 28483936417. The reversal of 28483936393 is 39363938482.

It is not a de Polignac number, because 28483936393 - 2⁹ = 28483935881 is a prime.

It is a super-2 number, since 2×28483936393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28483936303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1685958 + ... + 1702768.

It is an arithmetic number, because the mean of its divisors is an integer number (1046042640).

Almost surely, 2^28483936393 is an apocalyptic number.

It is an amenable number.

28483936393 is a deficient number, since it is larger than the sum of its proper divisors (4989428087).

28483936393 is a wasteful number, since it uses less digits than its factorization.

28483936393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930 (or 16908 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 58.

The spelling of 28483936393 in words is "twenty-eight billion, four hundred eighty-three million, nine hundred thirty-six thousand, three hundred ninety-three".