97424267466221 has 2 divisors, whose sum is σ = 97424267466222. Its totient is φ = 97424267466220.

The previous prime is 97424267466199. The next prime is 97424267466269. The reversal of 97424267466221 is 12266476242479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59134346692996 + 38289920773225 = 7689886^2 + 6187885^2 .

It is an emirp because it is prime and its reverse (12266476242479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97424267466221 - 2¹⁴ = 97424267449837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97424267466271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48712133733110 + 48712133733111.

It is an arithmetic number, because the mean of its divisors is an integer number (48712133733111).

Almost surely, 2^{97424267466221} is an apocalyptic number.

It is an amenable number.

97424267466221 is a deficient number, since it is larger than the sum of its proper divisors (1).

97424267466221 is an equidigital number, since it uses as much as digits as its factorization.

97424267466221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 62.

The spelling of 97424267466221 in words is "ninety-seven trillion, four hundred twenty-four billion, two hundred sixty-seven million, four hundred sixty-six thousand, two hundred twenty-one".