21030714379061 has 2 divisors, whose sum is σ = 21030714379062. Its totient is φ = 21030714379060.

The previous prime is 21030714379049. The next prime is 21030714379111. The reversal of 21030714379061 is 16097341703012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20155565355025 + 875149024036 = 4489495^2 + 935494^2 .

It is a cyclic number.

It is not a de Polignac number, because 21030714379061 - 2⁶ = 21030714378997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21030714399061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10515357189530 + 10515357189531.

It is an arithmetic number, because the mean of its divisors is an integer number (10515357189531).

Almost surely, 2^{21030714379061} is an apocalyptic number.

It is an amenable number.

21030714379061 is a deficient number, since it is larger than the sum of its proper divisors (1).

21030714379061 is an equidigital number, since it uses as much as digits as its factorization.

21030714379061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 21030714379061 in words is "twenty-one trillion, thirty billion, seven hundred fourteen million, three hundred seventy-nine thousand, sixty-one".