4289433989 has 4 divisors (see below), whose sum is σ = 4362136320. Its totient is φ = 4216731660.

The previous prime is 4289433971. The next prime is 4289434021. The reversal of 4289433989 is 9893349824.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4289433989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 72702271 = 4289433989 / (4 + 2 + 8 + 9 + 4 + 3 + 3 + 9 + 8 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289433949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36351077 + ... + 36351194.

It is an arithmetic number, because the mean of its divisors is an integer number (1090534080).

Almost surely, 2^4289433989 is an apocalyptic number.

It is an amenable number.

4289433989 is a deficient number, since it is larger than the sum of its proper divisors (72702331).

4289433989 is an equidigital number, since it uses as much as digits as its factorization.

4289433989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72702330.

The product of its digits is 13436928, while the sum is 59.

The square root of 4289433989 is about 65493.7706121735. The cubic root of 4289433989 is about 1624.8003212161.

The spelling of 4289433989 in words is "four billion, two hundred eighty-nine million, four hundred thirty-three thousand, nine hundred eighty-nine".