21614366713 has 8 divisors (see below), whose sum is σ = 22121545248. Its totient is φ = 21107393664.

The previous prime is 21614366687. The next prime is 21614366777. The reversal of 21614366713 is 31766341612.

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-21614366713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21614366783) 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, 172806 + ... + 270352.

It is an arithmetic number, because the mean of its divisors is an integer number (2765193156).

Almost surely, 2^21614366713 is an apocalyptic number.

It is an amenable number.

21614366713 is a deficient number, since it is larger than the sum of its proper divisors (507178535).

21614366713 is an equidigital number, since it uses as much as digits as its factorization.

21614366713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102743.

The product of its digits is 108864, while the sum is 40.

The spelling of 21614366713 in words is "twenty-one billion, six hundred fourteen million, three hundred sixty-six thousand, seven hundred thirteen".