9481989416 has 8 divisors (see below), whose sum is σ = 17778730170. Its totient is φ = 4740994704.

The previous prime is 9481989401. The next prime is 9481989421. The reversal of 9481989416 is 6149891849.

It can be written as a sum of positive squares in only one way, i.e., 8696308516 + 785680900 = 93254^2 + 28030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592624331 + ... + 592624346.

Almost surely, 2^9481989416 is an apocalyptic number.

It is an amenable number.

9481989416 is a deficient number, since it is larger than the sum of its proper divisors (8296740754).

9481989416 is a wasteful number, since it uses less digits than its factorization.

9481989416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185248683 (or 1185248679 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 59.

The square root of 9481989416 is about 97375.5072695388. The cubic root of 9481989416 is about 2116.5725303978.

The spelling of 9481989416 in words is "nine billion, four hundred eighty-one million, nine hundred eighty-nine thousand, four hundred sixteen".