9981303074 has 4 divisors (see below), whose sum is σ = 14971954614. Its totient is φ = 4990651536.

The previous prime is 9981303071. The next prime is 9981303139. The reversal of 9981303074 is 4703031899.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8982300625 + 999002449 = 94775^2 + 31607^2 .

It is a super-2 number, since 2×9981303074² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9981303071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495325767 + ... + 2495325770.

Almost surely, 2^9981303074 is an apocalyptic number.

9981303074 is a deficient number, since it is larger than the sum of its proper divisors (4990651540).

9981303074 is a wasteful number, since it uses less digits than its factorization.

9981303074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990651539.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 9981303074 is about 99906.4716322221. The cubic root of 9981303074 is about 2153.0911421441.

The spelling of 9981303074 in words is "nine billion, nine hundred eighty-one million, three hundred three thousand, seventy-four".