2289432641 has 4 divisors (see below), whose sum is σ = 2290062000. Its totient is φ = 2288803284.

The previous prime is 2289432631. The next prime is 2289432647. The reversal of 2289432641 is 1462349822.

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 not a de Polignac number, because 2289432641 - 2⁶ = 2289432577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2289432647) 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, 309191 + ... + 316508.

It is an arithmetic number, because the mean of its divisors is an integer number (572515500).

Almost surely, 2^2289432641 is an apocalyptic number.

It is an amenable number.

2289432641 is a deficient number, since it is larger than the sum of its proper divisors (629359).

2289432641 is an equidigital number, since it uses as much as digits as its factorization.

2289432641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629358.

The product of its digits is 165888, while the sum is 41.

The square root of 2289432641 is about 47848.0160612747. The cubic root of 2289432641 is about 1317.9814267022.

The spelling of 2289432641 in words is "two billion, two hundred eighty-nine million, four hundred thirty-two thousand, six hundred forty-one".