2789952399 has 48 divisors (see below), whose sum is σ = 4615228800. Its totient is φ = 1608864768.

The previous prime is 2789952377. The next prime is 2789952421. The reversal of 2789952399 is 9932599872.

2789952399 is a `hidden beast` number, since 27 + 89 + 9 + 523 + 9 + 9 = 666.

It is a Cunningham number, because it is equal to 52820²-1.

It is an interprime number because it is at equal distance from previous prime (2789952377) and next prime (2789952421).

It is not a de Polignac number, because 2789952399 - 2⁵ = 2789952367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789932399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 472437 + ... + 478305.

It is an arithmetic number, because the mean of its divisors is an integer number (96150600).

Almost surely, 2^2789952399 is an apocalyptic number.

2789952399 is a deficient number, since it is larger than the sum of its proper divisors (1825276401).

2789952399 is a wasteful number, since it uses less digits than its factorization.

2789952399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144 (or 6141 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The square root of 2789952399 is about 52819.9999905339. Note that the first 5 decimals coincide. The cubic root of 2789952399 is about 1407.7718104114.

The spelling of 2789952399 in words is "two billion, seven hundred eighty-nine million, nine hundred fifty-two thousand, three hundred ninety-nine".