4820783813 has 4 divisors (see below), whose sum is σ = 4938363948. Its totient is φ = 4703203680.

The previous prime is 4820783719. The next prime is 4820783819. The reversal of 4820783813 is 3183870284.

It is a happy number.

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 180176929 + 4640606884 = 13423^2 + 68122^2 .

It is a cyclic number.

It is not a de Polignac number, because 4820783813 - 2¹⁰ = 4820782789 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 (4820783819) 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, 58790006 + ... + 58790087.

It is an arithmetic number, because the mean of its divisors is an integer number (1234590987).

Almost surely, 2^4820783813 is an apocalyptic number.

It is an amenable number.

4820783813 is a deficient number, since it is larger than the sum of its proper divisors (117580135).

4820783813 is a wasteful number, since it uses less digits than its factorization.

4820783813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117580134.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 4820783813 is about 69431.8645363928. The cubic root of 4820783813 is about 1689.2965120536.

The spelling of 4820783813 in words is "four billion, eight hundred twenty million, seven hundred eighty-three thousand, eight hundred thirteen".