28533365653 has 32 divisors (see below), whose sum is σ = 33062400000. Its totient is φ = 24403591872.

The previous prime is 28533365639. The next prime is 28533365699. The reversal of 28533365653 is 35656333582.

It is a cyclic number.

It is not a de Polignac number, because 28533365653 - 2⁵ = 28533365621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28533365597 and 28533365606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533365153) 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, 2895108 + ... + 2904946.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200000).

Almost surely, 2^28533365653 is an apocalyptic number.

It is an amenable number.

28533365653 is a deficient number, since it is larger than the sum of its proper divisors (4529034347).

28533365653 is a wasteful number, since it uses less digits than its factorization.

28533365653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129.

The product of its digits is 5832000, while the sum is 49.

The spelling of 28533365653 in words is "twenty-eight billion, five hundred thirty-three million, three hundred sixty-five thousand, six hundred fifty-three".