21827714039 has 2 divisors, whose sum is σ = 21827714040. Its totient is φ = 21827714038.

The previous prime is 21827714021. The next prime is 21827714047. The reversal of 21827714039 is 93041772812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21827714039 - 2²⁰ = 21826665463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21827714099) 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, 10913857019 + 10913857020.

It is an arithmetic number, because the mean of its divisors is an integer number (10913857020).

Almost surely, 2^21827714039 is an apocalyptic number.

21827714039 is a deficient number, since it is larger than the sum of its proper divisors (1).

21827714039 is an equidigital number, since it uses as much as digits as its factorization.

21827714039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 21827714039 in words is "twenty-one billion, eight hundred twenty-seven million, seven hundred fourteen thousand, thirty-nine".