21442300967 has 2 divisors, whose sum is σ = 21442300968. Its totient is φ = 21442300966.

The previous prime is 21442300951. The next prime is 21442301051. The reversal of 21442300967 is 76900324412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21442300967 - 2⁴ = 21442300951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21442300967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21442300927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10721150483 + 10721150484.

It is an arithmetic number, because the mean of its divisors is an integer number (10721150484).

Almost surely, 2^21442300967 is an apocalyptic number.

21442300967 is a deficient number, since it is larger than the sum of its proper divisors (1).

21442300967 is an equidigital number, since it uses as much as digits as its factorization.

21442300967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 21442300967 in words is "twenty-one billion, four hundred forty-two million, three hundred thousand, nine hundred sixty-seven".