4206240240197 has 2 divisors, whose sum is σ = 4206240240198. Its totient is φ = 4206240240196.

The previous prime is 4206240240193. The next prime is 4206240240227. The reversal of 4206240240197 is 7910420426024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4145943473281 + 60296766916 = 2036159^2 + 245554^2 .

It is a cyclic number.

It is not a de Polignac number, because 4206240240197 - 2² = 4206240240193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4206240240193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103120120098 + 2103120120099.

It is an arithmetic number, because the mean of its divisors is an integer number (2103120120099).

Almost surely, 2^{4206240240197} is an apocalyptic number.

It is an amenable number.

4206240240197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206240240197 is an equidigital number, since it uses as much as digits as its factorization.

4206240240197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 4206240240197 in words is "four trillion, two hundred six billion, two hundred forty million, two hundred forty thousand, one hundred ninety-seven".