21332404333007 has 8 divisors (see below), whose sum is σ = 21941607839184. Its totient is φ = 20728341785088.

The previous prime is 21332404332961. The next prime is 21332404333013. The reversal of 21332404333007 is 70033340423312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21332404333007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332404333027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285231148 + ... + 1285247745.

It is an arithmetic number, because the mean of its divisors is an integer number (2742700979898).

Almost surely, 2^{21332404333007} is an apocalyptic number.

21332404333007 is a deficient number, since it is larger than the sum of its proper divisors (609203506177).

21332404333007 is a wasteful number, since it uses less digits than its factorization.

21332404333007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570479129.

The product of its (nonzero) digits is 108864, while the sum is 35.

Adding to 21332404333007 its reverse (70033340423312), we get a palindrome (91365744756319).

The spelling of 21332404333007 in words is "twenty-one trillion, three hundred thirty-two billion, four hundred four million, three hundred thirty-three thousand, seven".