4232889991 has 4 divisors (see below), whose sum is σ = 4617698184. Its totient is φ = 3848081800.

The previous prime is 4232889989. The next prime is 4232890001. The reversal of 4232889991 is 1999882324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4232889991 - 2¹ = 4232889989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4232889931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192404080 + ... + 192404101.

It is an arithmetic number, because the mean of its divisors is an integer number (1154424546).

Almost surely, 2^4232889991 is an apocalyptic number.

4232889991 is a deficient number, since it is larger than the sum of its proper divisors (384808193).

4232889991 is a wasteful number, since it uses less digits than its factorization.

4232889991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384808192.

The product of its digits is 2239488, while the sum is 55.

The square root of 4232889991 is about 65060.6639299047. The cubic root of 4232889991 is about 1617.6292599120.

The spelling of 4232889991 in words is "four billion, two hundred thirty-two million, eight hundred eighty-nine thousand, nine hundred ninety-one".