21060316079093 has 2 divisors, whose sum is σ = 21060316079094. Its totient is φ = 21060316079092.

The previous prime is 21060316079059. The next prime is 21060316079129. The reversal of 21060316079093 is 39097061306012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20200332492484 + 859983586609 = 4494478^2 + 927353^2 .

It is a cyclic number.

It is not a de Polignac number, because 21060316079093 - 2⁶ = 21060316079029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21060316079053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10530158039546 + 10530158039547.

It is an arithmetic number, because the mean of its divisors is an integer number (10530158039547).

Almost surely, 2^{21060316079093} is an apocalyptic number.

It is an amenable number.

21060316079093 is a deficient number, since it is larger than the sum of its proper divisors (1).

21060316079093 is an equidigital number, since it uses as much as digits as its factorization.

21060316079093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 21060316079093 in words is "twenty-one trillion, sixty billion, three hundred sixteen million, seventy-nine thousand, ninety-three".