4781946529 has 4 divisors (see below), whose sum is σ = 4783063684. Its totient is φ = 4780829376.

The previous prime is 4781946517. The next prime is 4781946539. The reversal of 4781946529 is 9256491874.

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 1949045904 + 2832900625 = 44148^2 + 53225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4781946529 - 2⁵ = 4781946497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4781946529.

It is not an unprimeable number, because it can be changed into a prime (4781946539) 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, 552132 + ... + 560725.

It is an arithmetic number, because the mean of its divisors is an integer number (1195765921).

Almost surely, 2^4781946529 is an apocalyptic number.

It is an amenable number.

4781946529 is a deficient number, since it is larger than the sum of its proper divisors (1117155).

4781946529 is a wasteful number, since it uses less digits than its factorization.

4781946529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117154.

The product of its digits is 4354560, while the sum is 55.

The square root of 4781946529 is about 69151.6198581060. The cubic root of 4781946529 is about 1684.7478282002.

The spelling of 4781946529 in words is "four billion, seven hundred eighty-one million, nine hundred forty-six thousand, five hundred twenty-nine".