4242406226197 has 2 divisors, whose sum is σ = 4242406226198. Its totient is φ = 4242406226196.

The previous prime is 4242406226153. The next prime is 4242406226209. The reversal of 4242406226197 is 7916226042424.

4242406226197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4043352834481 + 199053391716 = 2010809^2 + 446154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242406226197 is a prime.

It is a super-2 number, since 2×4242406226197² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4242406226197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242406206197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121203113098 + 2121203113099.

It is an arithmetic number, because the mean of its divisors is an integer number (2121203113099).

Almost surely, 2^{4242406226197} is an apocalyptic number.

It is an amenable number.

4242406226197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242406226197 is an equidigital number, since it uses as much as digits as its factorization.

4242406226197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 4242406226197 in words is "four trillion, two hundred forty-two billion, four hundred six million, two hundred twenty-six thousand, one hundred ninety-seven".