28753610383 has 4 divisors (see below), whose sum is σ = 28766640960. Its totient is φ = 28740579808.

The previous prime is 28753610357. The next prime is 28753610447. The reversal of 28753610383 is 38301635782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38301635782 = 2 ⋅19150817891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28753610383 is a prime.

It is a super-2 number, since 2×28753610383² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28753610783) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6511978 + ... + 6516391.

It is an arithmetic number, because the mean of its divisors is an integer number (7191660240).

Almost surely, 2^28753610383 is an apocalyptic number.

28753610383 is a deficient number, since it is larger than the sum of its proper divisors (13030577).

28753610383 is a wasteful number, since it uses less digits than its factorization.

28753610383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030576.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 28753610383 in words is "twenty-eight billion, seven hundred fifty-three million, six hundred ten thousand, three hundred eighty-three".