4399042429 has 2 divisors, whose sum is σ = 4399042430. Its totient is φ = 4399042428.

The previous prime is 4399042423. The next prime is 4399042447. The reversal of 4399042429 is 9242409934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4329903204 + 69139225 = 65802^2 + 8315^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399042429 - 2¹¹ = 4399040381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4399042423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199521214 + 2199521215.

It is an arithmetic number, because the mean of its divisors is an integer number (2199521215).

Almost surely, 2^4399042429 is an apocalyptic number.

It is an amenable number.

4399042429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399042429 is an equidigital number, since it uses as much as digits as its factorization.

4399042429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 4399042429 is about 66325.2774513609. The cubic root of 4399042429 is about 1638.5236601089.

The spelling of 4399042429 in words is "four billion, three hundred ninety-nine million, forty-two thousand, four hundred twenty-nine".