4423432444397 has 2 divisors, whose sum is σ = 4423432444398. Its totient is φ = 4423432444396.

The previous prime is 4423432444339. The next prime is 4423432444429. The reversal of 4423432444397 is 7934442343244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4198970641321 + 224461803076 = 2049139^2 + 473774^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423432444397 - 2¹⁰ = 4423432443373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423432444307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211716222198 + 2211716222199.

It is an arithmetic number, because the mean of its divisors is an integer number (2211716222199).

Almost surely, 2^{4423432444397} is an apocalyptic number.

It is an amenable number.

4423432444397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423432444397 is an equidigital number, since it uses as much as digits as its factorization.

4423432444397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27869184, while the sum is 53.

The spelling of 4423432444397 in words is "four trillion, four hundred twenty-three billion, four hundred thirty-two million, four hundred forty-four thousand, three hundred ninety-seven".