2489432399 has 4 divisors (see below), whose sum is σ = 2491469136. Its totient is φ = 2487395664.

The previous prime is 2489432377. The next prime is 2489432453. The reversal of 2489432399 is 9932349842.

It is a happy number.

2489432399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2489432399 - 2¹⁶ = 2489366863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2489432399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489432329) 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, 1016534 + ... + 1018979.

It is an arithmetic number, because the mean of its divisors is an integer number (622867284).

Almost surely, 2^2489432399 is an apocalyptic number.

2489432399 is a deficient number, since it is larger than the sum of its proper divisors (2036737).

2489432399 is a wasteful number, since it uses less digits than its factorization.

2489432399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036736.

The product of its digits is 3359232, while the sum is 53.

The square root of 2489432399 is about 49894.2120791580. The cubic root of 2489432399 is about 1355.2937819716.

The spelling of 2489432399 in words is "two billion, four hundred eighty-nine million, four hundred thirty-two thousand, three hundred ninety-nine".