8981546969 has 4 divisors (see below), whose sum is σ = 9047105844. Its totient is φ = 8915988096.

The previous prime is 8981546963. The next prime is 8981546971. The reversal of 8981546969 is 9696451898.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4384028944 + 4597518025 = 66212^2 + 67805^2 .

It is a cyclic number.

It is not a de Polignac number, because 8981546969 - 2⁴ = 8981546953 is a prime.

It is a super-2 number, since 2×8981546969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8981546963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32779232 + ... + 32779505.

It is an arithmetic number, because the mean of its divisors is an integer number (2261776461).

Almost surely, 2^8981546969 is an apocalyptic number.

It is an amenable number.

8981546969 is a deficient number, since it is larger than the sum of its proper divisors (65558875).

8981546969 is a wasteful number, since it uses less digits than its factorization.

8981546969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65558874.

The product of its digits is 33592320, while the sum is 65.

The square root of 8981546969 is about 94771.0238891614. The cubic root of 8981546969 is about 2078.6612262198.

The spelling of 8981546969 in words is "eight billion, nine hundred eighty-one million, five hundred forty-six thousand, nine hundred sixty-nine".