4781781361 has 8 divisors (see below), whose sum is σ = 5465476800. Its totient is φ = 4098231888.

The previous prime is 4781781353. The next prime is 4781781371. The reversal of 4781781361 is 1631871874.

4781781361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4781781361 - 2³ = 4781781353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4781781311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46215 + ... + 108163.

It is an arithmetic number, because the mean of its divisors is an integer number (683184600).

Almost surely, 2^4781781361 is an apocalyptic number.

It is an amenable number.

4781781361 is a deficient number, since it is larger than the sum of its proper divisors (683695439).

4781781361 is a wasteful number, since it uses less digits than its factorization.

4781781361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72983.

The product of its digits is 225792, while the sum is 46.

The square root of 4781781361 is about 69150.4256024502. The cubic root of 4781781361 is about 1684.7284309644.

The spelling of 4781781361 in words is "four billion, seven hundred eighty-one million, seven hundred eighty-one thousand, three hundred sixty-one".