21232500359 has 4 divisors (see below), whose sum is σ = 24265714704. Its totient is φ = 18199286016.

The previous prime is 21232500313. The next prime is 21232500389. The reversal of 21232500359 is 95300523212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21232500359 - 2¹⁶ = 21232434823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232500389) 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, 1516607162 + ... + 1516607175.

It is an arithmetic number, because the mean of its divisors is an integer number (6066428676).

Almost surely, 2^21232500359 is an apocalyptic number.

21232500359 is a deficient number, since it is larger than the sum of its proper divisors (3033214345).

21232500359 is an equidigital number, since it uses as much as digits as its factorization.

21232500359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033214344.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 21232500359 in words is "twenty-one billion, two hundred thirty-two million, five hundred thousand, three hundred fifty-nine".