4423531399 has 32 divisors (see below), whose sum is σ = 5225600000. Its totient is φ = 3742798752.

The previous prime is 4423531331. The next prime is 4423531429. The reversal of 4423531399 is 9931353244.

It is not a de Polignac number, because 4423531399 - 2⁷ = 4423531271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423531309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15630712 + ... + 15630994.

It is an arithmetic number, because the mean of its divisors is an integer number (163300000).

Almost surely, 2^4423531399 is an apocalyptic number.

4423531399 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4423531399 is a deficient number, since it is larger than the sum of its proper divisors (802068601).

4423531399 is a wasteful number, since it uses less digits than its factorization.

4423531399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 718 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 4423531399 is about 66509.6338811153. The cubic root of 4423531399 is about 1641.5585272282.

The spelling of 4423531399 in words is "four billion, four hundred twenty-three million, five hundred thirty-one thousand, three hundred ninety-nine".