9819814446 has 48 divisors (see below), whose sum is σ = 22922879616. Its totient is φ = 3020165568.

The previous prime is 9819814427. The next prime is 9819814451. The reversal of 9819814446 is 6444189189.

It is a happy number.

9819814446 is a `hidden beast` number, since 9 + 8 + 198 + 1 + 4 + 446 = 666.

9819814446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9819814392 and 9819814401.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 622371 + ... + 637953.

It is an arithmetic number, because the mean of its divisors is an integer number (477559992).

Almost surely, 2^9819814446 is an apocalyptic number.

9819814446 is an abundant number, since it is smaller than the sum of its proper divisors (13103065170).

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

9819814446 is a wasteful number, since it uses less digits than its factorization.

9819814446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297 (or 18294 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 9819814446 is about 99094.9768959053. The cubic root of 9819814446 is about 2141.4162493206.

The spelling of 9819814446 in words is "nine billion, eight hundred nineteen million, eight hundred fourteen thousand, four hundred forty-six".