2489669445 has 16 divisors (see below), whose sum is σ = 4080629952. Its totient is φ = 1295437440.

The previous prime is 2489669417. The next prime is 2489669447. The reversal of 2489669445 is 5449669842.

It is not a de Polignac number, because 2489669445 - 2⁷ = 2489669317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489669447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023507 + ... + 2024736.

It is an arithmetic number, because the mean of its divisors is an integer number (255039372).

Almost surely, 2^2489669445 is an apocalyptic number.

It is an amenable number.

2489669445 is a deficient number, since it is larger than the sum of its proper divisors (1590960507).

2489669445 is a wasteful number, since it uses less digits than its factorization.

2489669445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048292.

The product of its digits is 14929920, while the sum is 57.

The square root of 2489669445 is about 49896.5875085662. The cubic root of 2489669445 is about 1355.3367980387.

The spelling of 2489669445 in words is "two billion, four hundred eighty-nine million, six hundred sixty-nine thousand, four hundred forty-five".