4781999105 has 32 divisors (see below), whose sum is σ = 6551344800. Its totient is φ = 3319529472.

The previous prime is 4781999087. The next prime is 4781999113. The reversal of 4781999105 is 5019991874.

It is a Cunningham number, because it is equal to 69152²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 532132624 + 4249866481 = 23068^2 + 65191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4781999105 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112801 + ... + 1117089.

It is an arithmetic number, because the mean of its divisors is an integer number (204729525).

Almost surely, 2^4781999105 is an apocalyptic number.

It is an amenable number.

4781999105 is a deficient number, since it is larger than the sum of its proper divisors (1769345695).

4781999105 is a wasteful number, since it uses less digits than its factorization.

4781999105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 816480, while the sum is 53.

The square root of 4781999105 is about 69152.0000072304. Note that the first 5 decimals coincide. The cubic root of 4781999105 is about 1684.7540026020.

The spelling of 4781999105 in words is "four billion, seven hundred eighty-one million, nine hundred ninety-nine thousand, one hundred five".