21073642483067 has 2 divisors, whose sum is σ = 21073642483068. Its totient is φ = 21073642483066.

The previous prime is 21073642483051. The next prime is 21073642483111. The reversal of 21073642483067 is 76038424637012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21073642483067 - 2⁴ = 21073642483051 is a prime.

It is not a weakly prime, because it can be changed into another prime (21073642483867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10536821241533 + 10536821241534.

It is an arithmetic number, because the mean of its divisors is an integer number (10536821241534).

Almost surely, 2^{21073642483067} is an apocalyptic number.

21073642483067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21073642483067 is an equidigital number, since it uses as much as digits as its factorization.

21073642483067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 21073642483067 in words is "twenty-one trillion, seventy-three billion, six hundred forty-two million, four hundred eighty-three thousand, sixty-seven".