28533004465 has 16 divisors (see below), whose sum is σ = 39208796928. Its totient is φ = 19526579136.

The previous prime is 28533004429. The next prime is 28533004523. The reversal of 28533004465 is 56440033582.

It is a cyclic number.

It is not a de Polignac number, because 28533004465 - 2³¹ = 26385520817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792762 + ... + 827971.

It is an arithmetic number, because the mean of its divisors is an integer number (2450549808).

Almost surely, 2^28533004465 is an apocalyptic number.

It is an amenable number.

28533004465 is a deficient number, since it is larger than the sum of its proper divisors (10675792463).

28533004465 is a wasteful number, since it uses less digits than its factorization.

28533004465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621248.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 28533004465 in words is "twenty-eight billion, five hundred thirty-three million, four thousand, four hundred sixty-five".