21332555343 has 12 divisors (see below), whose sum is σ = 33614935848. Its totient is φ = 12928821360.

The previous prime is 21332555341. The next prime is 21332555359. The reversal of 21332555343 is 34355523312.

It is not a de Polignac number, because 21332555343 - 2¹ = 21332555341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21332555298 and 21332555307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332555341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107740080 + ... + 107740277.

It is an arithmetic number, because the mean of its divisors is an integer number (2801244654).

Almost surely, 2^21332555343 is an apocalyptic number.

21332555343 is a deficient number, since it is larger than the sum of its proper divisors (12282380505).

21332555343 is a wasteful number, since it uses less digits than its factorization.

21332555343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215480374 (or 215480371 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

It can be divided in two parts, 21332 and 555343, that added together give a palindrome (576675).

The spelling of 21332555343 in words is "twenty-one billion, three hundred thirty-two million, five hundred fifty-five thousand, three hundred forty-three".