4318072985 has 4 divisors (see below), whose sum is σ = 5181687588. Its totient is φ = 3454458384.

The previous prime is 4318072951. The next prime is 4318073069. The reversal of 4318072985 is 5892708134.

It is a happy number.

4318072985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2006771209 + 2311301776 = 44797^2 + 48076^2 .

It is a cyclic number.

It is not a de Polignac number, because 4318072985 - 2¹² = 4318068889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431807294 + ... + 431807303.

It is an arithmetic number, because the mean of its divisors is an integer number (1295421897).

Almost surely, 2^4318072985 is an apocalyptic number.

It is an amenable number.

4318072985 is a deficient number, since it is larger than the sum of its proper divisors (863614603).

4318072985 is an equidigital number, since it uses as much as digits as its factorization.

4318072985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863614602.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 4318072985 is about 65712.0459657132. The cubic root of 4318072985 is about 1628.4083708176.

The spelling of 4318072985 in words is "four billion, three hundred eighteen million, seventy-two thousand, nine hundred eighty-five".