2789912449 has 8 divisors (see below), whose sum is σ = 2989617120. Its totient is φ = 2594162496.

The previous prime is 2789912429. The next prime is 2789912473. The reversal of 2789912449 is 9442199872.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2789912449 - 2²¹ = 2787815297 is a prime.

It is a super-2 number, since 2×2789912449² = 15567222946170355202, which contains 22 as substring.

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 2789912449.

It is not an unprimeable number, because it can be changed into a prime (2789912429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987219 + ... + 990040.

It is an arithmetic number, because the mean of its divisors is an integer number (373702140).

Almost surely, 2^2789912449 is an apocalyptic number.

It is an amenable number.

2789912449 is a deficient number, since it is larger than the sum of its proper divisors (199704671).

2789912449 is a wasteful number, since it uses less digits than its factorization.

2789912449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977359.

The product of its digits is 2612736, while the sum is 55.

The square root of 2789912449 is about 52819.6218180327. The cubic root of 2789912449 is about 1407.7650909715.

The spelling of 2789912449 in words is "two billion, seven hundred eighty-nine million, nine hundred twelve thousand, four hundred forty-nine".