4781694189 has 16 divisors (see below), whose sum is σ = 6450883200. Its totient is φ = 3150191616.

The previous prime is 4781694187. The next prime is 4781694233. The reversal of 4781694189 is 9814961874.

It is a happy number.

It is not a de Polignac number, because 4781694189 - 2¹ = 4781694187 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781694187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602952 + ... + 610830.

It is an arithmetic number, because the mean of its divisors is an integer number (403180200).

Almost surely, 2^4781694189 is an apocalyptic number.

It is an amenable number.

4781694189 is a deficient number, since it is larger than the sum of its proper divisors (1669189011).

4781694189 is a wasteful number, since it uses less digits than its factorization.

4781694189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244.

The product of its digits is 3483648, while the sum is 57.

The square root of 4781694189 is about 69149.7952925386. The cubic root of 4781694189 is about 1684.7181933544.

The spelling of 4781694189 in words is "four billion, seven hundred eighty-one million, six hundred ninety-four thousand, one hundred eighty-nine".