2489664758 has 8 divisors (see below), whose sum is σ = 4267996752. Its totient is φ = 1066999176.

The previous prime is 2489664757. The next prime is 2489664767. The reversal of 2489664758 is 8574669842.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2489664697 and 2489664706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489664757) 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, 88916585 + ... + 88916612.

It is an arithmetic number, because the mean of its divisors is an integer number (533499594).

Almost surely, 2^2489664758 is an apocalyptic number.

2489664758 is a deficient number, since it is larger than the sum of its proper divisors (1778331994).

2489664758 is a wasteful number, since it uses less digits than its factorization.

2489664758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177833206.

The product of its digits is 23224320, while the sum is 59.

The square root of 2489664758 is about 49896.5405414043. The cubic root of 2489664758 is about 1355.3359475285.

The spelling of 2489664758 in words is "two billion, four hundred eighty-nine million, six hundred sixty-four thousand, seven hundred fifty-eight".