21322002967 has 2 divisors, whose sum is σ = 21322002968. Its totient is φ = 21322002966.

The previous prime is 21322002953. The next prime is 21322003039. The reversal of 21322002967 is 76920022312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21322002967 - 2¹⁵ = 21321970199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322002917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661001483 + 10661001484.

It is an arithmetic number, because the mean of its divisors is an integer number (10661001484).

Almost surely, 2^21322002967 is an apocalyptic number.

21322002967 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322002967 is an equidigital number, since it uses as much as digits as its factorization.

21322002967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 21322002967 in words is "twenty-one billion, three hundred twenty-two million, two thousand, nine hundred sixty-seven".