21322003039 has 2 divisors, whose sum is σ = 21322003040. Its totient is φ = 21322003038.

The previous prime is 21322002967. The next prime is 21322003057. The reversal of 21322003039 is 93030022312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21322003039 - 2¹⁹ = 21321478751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322003069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661001519 + 10661001520.

It is an arithmetic number, because the mean of its divisors is an integer number (10661001520).

Almost surely, 2^21322003039 is an apocalyptic number.

21322003039 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322003039 is an equidigital number, since it uses as much as digits as its factorization.

21322003039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 21322003039 in words is "twenty-one billion, three hundred twenty-two million, three thousand, thirty-nine".