4044242197 has 2 divisors, whose sum is σ = 4044242198. Its totient is φ = 4044242196.

The previous prime is 4044242179. The next prime is 4044242263. The reversal of 4044242197 is 7912424404.

It is a happy number.

4044242197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (4044242179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3746541681 + 297700516 = 61209^2 + 17254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4044242197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044242107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022121098 + 2022121099.

It is an arithmetic number, because the mean of its divisors is an integer number (2022121099).

Almost surely, 2^4044242197 is an apocalyptic number.

It is an amenable number.

4044242197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044242197 is an equidigital number, since it uses as much as digits as its factorization.

4044242197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 4044242197 is about 63594.3566442809. The cubic root of 4044242197 is about 1593.2321154353.

The spelling of 4044242197 in words is "four billion, forty-four million, two hundred forty-two thousand, one hundred ninety-seven".