4221253245197 has 2 divisors, whose sum is σ = 4221253245198. Its totient is φ = 4221253245196.

The previous prime is 4221253245179. The next prime is 4221253245211. The reversal of 4221253245197 is 7915423521224.

It is a happy number.

Together with previous prime (4221253245179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4201737434596 + 19515810601 = 2049814^2 + 139699^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221253245197 - 2⁶ = 4221253245133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221253245107) 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, 2110626622598 + 2110626622599.

It is an arithmetic number, because the mean of its divisors is an integer number (2110626622599).

Almost surely, 2^{4221253245197} is an apocalyptic number.

It is an amenable number.

4221253245197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221253245197 is an equidigital number, since it uses as much as digits as its factorization.

4221253245197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The spelling of 4221253245197 in words is "four trillion, two hundred twenty-one billion, two hundred fifty-three million, two hundred forty-five thousand, one hundred ninety-seven".