21232325315329 has 4 divisors (see below), whose sum is σ = 21232344270384. Its totient is φ = 21232306360276.

The previous prime is 21232325315297. The next prime is 21232325315353. The reversal of 21232325315329 is 92351352323212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21232325315329 - 2⁵ = 21232325315297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21232325315029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7684207 + ... + 10075300.

It is an arithmetic number, because the mean of its divisors is an integer number (5308086067596).

Almost surely, 2^{21232325315329} is an apocalyptic number.

It is an amenable number.

21232325315329 is a deficient number, since it is larger than the sum of its proper divisors (18955055).

21232325315329 is a wasteful number, since it uses less digits than its factorization.

21232325315329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18955054.

The product of its digits is 583200, while the sum is 43.

The spelling of 21232325315329 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred twenty-five million, three hundred fifteen thousand, three hundred twenty-nine".