9001982890 has 16 divisors (see below), whose sum is σ = 16469202600. Its totient is φ = 3541763520.

The previous prime is 9001982881. The next prime is 9001982893. The reversal of 9001982890 is 982891009.

It is a happy number.

9001982890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3807753849 + 5194229041 = 61707^2 + 72071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9001982890.

It is not an unprimeable number, because it can be changed into a prime (9001982893) 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 7 ways as a sum of consecutive naturals, for example, 7378065 + ... + 7379284.

Almost surely, 2^9001982890 is an apocalyptic number.

9001982890 is a deficient number, since it is larger than the sum of its proper divisors (7467219710).

9001982890 is a wasteful number, since it uses less digits than its factorization.

9001982890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14757417.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 9001982890 is about 94878.7799774006. The cubic root of 9001982890 is about 2080.2365739607.

The spelling of 9001982890 in words is "nine billion, one million, nine hundred eighty-two thousand, eight hundred ninety".