4678120309 has 4 divisors (see below), whose sum is σ = 4688924716. Its totient is φ = 4667315904.

The previous prime is 4678120289. The next prime is 4678120331. The reversal of 4678120309 is 9030218764.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1575296100 + 3102824209 = 39690^2 + 55703^2 .

It is a cyclic number.

It is not a de Polignac number, because 4678120309 - 2⁵ = 4678120277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678120609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401554 + ... + 5402419.

It is an arithmetic number, because the mean of its divisors is an integer number (1172231179).

Almost surely, 2^4678120309 is an apocalyptic number.

It is an amenable number.

4678120309 is a deficient number, since it is larger than the sum of its proper divisors (10804407).

4678120309 is a wasteful number, since it uses less digits than its factorization.

4678120309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804406.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 4678120309 is about 68396.7858089837. The cubic root of 4678120309 is about 1672.4653499569.

The spelling of 4678120309 in words is "four billion, six hundred seventy-eight million, one hundred twenty thousand, three hundred nine".