21833338382927 has 2 divisors, whose sum is σ = 21833338382928. Its totient is φ = 21833338382926.

The previous prime is 21833338382917. The next prime is 21833338382963. The reversal of 21833338382927 is 72928383333812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21833338382927 - 2⁸ = 21833338382671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21833338382927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21833338382917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10916669191463 + 10916669191464.

It is an arithmetic number, because the mean of its divisors is an integer number (10916669191464).

Almost surely, 2^{21833338382927} is an apocalyptic number.

21833338382927 is a deficient number, since it is larger than the sum of its proper divisors (1).

21833338382927 is an equidigital number, since it uses as much as digits as its factorization.

21833338382927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 62.

The spelling of 21833338382927 in words is "twenty-one trillion, eight hundred thirty-three billion, three hundred thirty-eight million, three hundred eighty-two thousand, nine hundred twenty-seven".