4781009000 has 32 divisors (see below), whose sum is σ = 11187563400. Its totient is φ = 1912403200.

The previous prime is 4781008987. The next prime is 4781009003. The reversal of 4781009000 is 9001874.

It can be written as a sum of positive squares in 4 ways, for example, as 2210316196 + 2570692804 = 47014^2 + 50702^2 .

It is not an unprimeable number, because it can be changed into a prime (4781009003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2389505 + ... + 2391504.

Almost surely, 2^4781009000 is an apocalyptic number.

4781009000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4781009000 is an abundant number, since it is smaller than the sum of its proper divisors (6406554400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4781009000 is a wasteful number, since it uses less digits than its factorization.

4781009000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781030 (or 4781016 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 4781009000 is about 69144.8407330583. The cubic root of 4781009000 is about 1684.6377194003.

The spelling of 4781009000 in words is "four billion, seven hundred eighty-one million, nine thousand".