9481863680 has 40 divisors (see below), whose sum is σ = 22734255852. Its totient is φ = 3792744448.

The previous prime is 9481863661. The next prime is 9481863691. The reversal of 9481863680 is 863681849.

It can be written as a sum of positive squares in 2 ways, for example, as 8088484096 + 1393379584 = 89936^2 + 37328^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×9481863680² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849367 + ... + 1854486.

Almost surely, 2^9481863680 is an apocalyptic number.

It is an amenable number.

9481863680 is an abundant number, since it is smaller than the sum of its proper divisors (13252392172).

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

9481863680 is an equidigital number, since it uses as much as digits as its factorization.

9481863680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703876 (or 3703860 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 9481863680 is about 97374.8616430339. The cubic root of 9481863680 is about 2116.5631747472.

The spelling of 9481863680 in words is "nine billion, four hundred eighty-one million, eight hundred sixty-three thousand, six hundred eighty".