2489664446 has 8 divisors (see below), whose sum is σ = 3736921584. Its totient is φ = 1244023920.

The previous prime is 2489664409. The next prime is 2489664451. The reversal of 2489664446 is 6444669842.

2489664446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400295 + ... + 406466.

It is an arithmetic number, because the mean of its divisors is an integer number (467115198).

Almost surely, 2^2489664446 is an apocalyptic number.

2489664446 is a deficient number, since it is larger than the sum of its proper divisors (1247257138).

2489664446 is a wasteful number, since it uses less digits than its factorization.

2489664446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808306.

The product of its digits is 7962624, while the sum is 53.

The square root of 2489664446 is about 49896.5374149349. The cubic root of 2489664446 is about 1355.3358909125.

The spelling of 2489664446 in words is "two billion, four hundred eighty-nine million, six hundred sixty-four thousand, four hundred forty-six".