21314363567 has 4 divisors (see below), whose sum is σ = 24359272656. Its totient is φ = 18269454480.

The previous prime is 21314363561. The next prime is 21314363569. The reversal of 21314363567 is 76536341312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21314363567 - 2⁸ = 21314363311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314363561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522454534 + ... + 1522454547.

It is an arithmetic number, because the mean of its divisors is an integer number (6089818164).

Almost surely, 2^21314363567 is an apocalyptic number.

21314363567 is a deficient number, since it is larger than the sum of its proper divisors (3044909089).

21314363567 is an equidigital number, since it uses as much as digits as its factorization.

21314363567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044909088.

The product of its digits is 272160, while the sum is 41.

The spelling of 21314363567 in words is "twenty-one billion, three hundred fourteen million, three hundred sixty-three thousand, five hundred sixty-seven".