4399042433 has 4 divisors (see below), whose sum is σ = 4407454128. Its totient is φ = 4390630740.

The previous prime is 4399042429. The next prime is 4399042447. The reversal of 4399042433 is 3342409934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3342409934 = 2 ⋅1671204967.

It is a cyclic number.

It is not a de Polignac number, because 4399042433 - 2² = 4399042429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399042423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205063 + ... + 4206108.

It is an arithmetic number, because the mean of its divisors is an integer number (1101863532).

Almost surely, 2^4399042433 is an apocalyptic number.

It is an amenable number.

4399042433 is a deficient number, since it is larger than the sum of its proper divisors (8411695).

4399042433 is an equidigital number, since it uses as much as digits as its factorization.

4399042433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411694.

The product of its (nonzero) digits is 279936, while the sum is 41.

The square root of 4399042433 is about 66325.2774815153. The cubic root of 4399042433 is about 1638.5236606055.

The spelling of 4399042433 in words is "four billion, three hundred ninety-nine million, forty-two thousand, four hundred thirty-three".