21096042333139 has 2 divisors, whose sum is σ = 21096042333140. Its totient is φ = 21096042333138.

The previous prime is 21096042333083. The next prime is 21096042333143. The reversal of 21096042333139 is 93133324069012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21096042333139 - 2⁷ = 21096042333011 is a prime.

It is not a weakly prime, because it can be changed into another prime (21096042339139) 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, 10548021166569 + 10548021166570.

It is an arithmetic number, because the mean of its divisors is an integer number (10548021166570).

Almost surely, 2^{21096042333139} is an apocalyptic number.

21096042333139 is a deficient number, since it is larger than the sum of its proper divisors (1).

21096042333139 is an equidigital number, since it uses as much as digits as its factorization.

21096042333139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 21096042333139 in words is "twenty-one trillion, ninety-six billion, forty-two million, three hundred thirty-three thousand, one hundred thirty-nine".