4278133849 has 8 divisors (see below), whose sum is σ = 4668212448. Its totient is φ = 3888248160.

The previous prime is 4278133819. The next prime is 4278133859. The reversal of 4278133849 is 9483318724.

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 4278133849 - 2⁹ = 4278133337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4278133819) 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, 274 + ... + 92500.

It is an arithmetic number, because the mean of its divisors is an integer number (583526556).

Almost surely, 2^4278133849 is an apocalyptic number.

It is an amenable number.

4278133849 is a deficient number, since it is larger than the sum of its proper divisors (390078599).

4278133849 is a wasteful number, since it uses less digits than its factorization.

4278133849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96455.

The product of its digits is 1161216, while the sum is 49.

The square root of 4278133849 is about 65407.4449049953. Note that the first 3 decimals coincide. The cubic root of 4278133849 is about 1623.3722681748.

The spelling of 4278133849 in words is "four billion, two hundred seventy-eight million, one hundred thirty-three thousand, eight hundred forty-nine".