21363048167 has 2 divisors, whose sum is σ = 21363048168. Its totient is φ = 21363048166.

The previous prime is 21363048151. The next prime is 21363048169. The reversal of 21363048167 is 76184036312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21363048167 - 2⁴ = 21363048151 is a prime.

Together with 21363048169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21363048169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10681524083 + 10681524084.

It is an arithmetic number, because the mean of its divisors is an integer number (10681524084).

Almost surely, 2^21363048167 is an apocalyptic number.

21363048167 is a deficient number, since it is larger than the sum of its proper divisors (1).

21363048167 is an equidigital number, since it uses as much as digits as its factorization.

21363048167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 21363048167 in words is "twenty-one billion, three hundred sixty-three million, forty-eight thousand, one hundred sixty-seven".