4781685899 has 4 divisors (see below), whose sum is σ = 4782741600. Its totient is φ = 4780630200.

The previous prime is 4781685869. The next prime is 4781685989. The reversal of 4781685899 is 9985861874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9985861874 = 2 ⋅4992930937.

It is a cyclic number.

It is not a de Polignac number, because 4781685899 - 2²⁴ = 4764908683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4781685869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521027 + ... + 530124.

It is an arithmetic number, because the mean of its divisors is an integer number (1195685400).

Almost surely, 2^4781685899 is an apocalyptic number.

4781685899 is a deficient number, since it is larger than the sum of its proper divisors (1055701).

4781685899 is a wasteful number, since it uses less digits than its factorization.

4781685899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055700.

The product of its digits is 34836480, while the sum is 65.

The square root of 4781685899 is about 69149.7353501805. The cubic root of 4781685899 is about 1684.7172197579.

The spelling of 4781685899 in words is "four billion, seven hundred eighty-one million, six hundred eighty-five thousand, eight hundred ninety-nine".