21332423339 has 2 divisors, whose sum is σ = 21332423340. Its totient is φ = 21332423338.

The previous prime is 21332423237. The next prime is 21332423351. The reversal of 21332423339 is 93332423312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21332423339 - 2²⁸ = 21063987883 is a prime.

It is a super-3 number, since 3×21332423339³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21332423299 and 21332423308.

It is not a weakly prime, because it can be changed into another prime (21332422339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666211669 + 10666211670.

It is an arithmetic number, because the mean of its divisors is an integer number (10666211670).

Almost surely, 2^21332423339 is an apocalyptic number.

21332423339 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332423339 is an equidigital number, since it uses as much as digits as its factorization.

21332423339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 35.

The spelling of 21332423339 in words is "twenty-one billion, three hundred thirty-two million, four hundred twenty-three thousand, three hundred thirty-nine".