21414323332 has 6 divisors (see below), whose sum is σ = 37475065838. Its totient is φ = 10707161664.

The previous prime is 21414323323. The next prime is 21414323339. The reversal of 21414323332 is 23332341412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21055751236 + 358572096 = 145106^2 + 18936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21414323332.

It is not an unprimeable number, because it can be changed into a prime (21414323339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676790413 + ... + 2676790420.

Almost surely, 2^21414323332 is an apocalyptic number.

It is an amenable number.

21414323332 is a deficient number, since it is larger than the sum of its proper divisors (16060742506).

21414323332 is a wasteful number, since it uses less digits than its factorization.

21414323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353580837 (or 5353580835 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 21414323332 its reverse (23332341412), we get a palindrome (44746664744).

The spelling of 21414323332 in words is "twenty-one billion, four hundred fourteen million, three hundred twenty-three thousand, three hundred thirty-two".