21614323313 has 8 divisors (see below), whose sum is σ = 24024154176. Its totient is φ = 19278641200.

The previous prime is 21614323303. The next prime is 21614323321. The reversal of 21614323313 is 31332341612.

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

It is a cyclic number.

It is not a de Polignac number, because 21614323313 - 2⁸ = 21614323057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21614323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18536573 + ... + 18537738.

It is an arithmetic number, because the mean of its divisors is an integer number (3003019272).

Almost surely, 2^21614323313 is an apocalyptic number.

It is an amenable number.

21614323313 is a deficient number, since it is larger than the sum of its proper divisors (2409830863).

21614323313 is a wasteful number, since it uses less digits than its factorization.

21614323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37074375.

The product of its digits is 7776, while the sum is 29.

Adding to 21614323313 its reverse (31332341612), we get a palindrome (52946664925).

The spelling of 21614323313 in words is "twenty-one billion, six hundred fourteen million, three hundred twenty-three thousand, three hundred thirteen".