28413750563 has 16 divisors (see below), whose sum is σ = 31343971680. Its totient is φ = 25542048000.

The previous prime is 28413750527. The next prime is 28413750601. The reversal of 28413750563 is 36505731482.

It is a cyclic number.

It is not a de Polignac number, because 28413750563 - 2⁸ = 28413750307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28413750523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869423 + ... + 901511.

It is an arithmetic number, because the mean of its divisors is an integer number (1958998230).

Almost surely, 2^28413750563 is an apocalyptic number.

28413750563 is a deficient number, since it is larger than the sum of its proper divisors (2930221117).

28413750563 is a wasteful number, since it uses less digits than its factorization.

28413750563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32998.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 28413750563 in words is "twenty-eight billion, four hundred thirteen million, seven hundred fifty thousand, five hundred sixty-three".