14414515646021 has 2 divisors, whose sum is σ = 14414515646022. Its totient is φ = 14414515646020.

The previous prime is 14414515645997. The next prime is 14414515646029. The reversal of 14414515646021 is 12064651541441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14301360777796 + 113154868225 = 3781714^2 + 336385^2 .

It is an emirp because it is prime and its reverse (12064651541441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14414515646021 - 2¹⁴ = 14414515629637 is a prime.

It is a super-2 number, since 2×14414515646021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14414515646029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7207257823010 + 7207257823011.

It is an arithmetic number, because the mean of its divisors is an integer number (7207257823011).

Almost surely, 2^{14414515646021} is an apocalyptic number.

It is an amenable number.

14414515646021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14414515646021 is an equidigital number, since it uses as much as digits as its factorization.

14414515646021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 14414515646021 in words is "fourteen trillion, four hundred fourteen billion, five hundred fifteen million, six hundred forty-six thousand, twenty-one".