9890741189 has 24 divisors (see below), whose sum is σ = 11953782360. Its totient is φ = 8150037504.

The previous prime is 9890741143. The next prime is 9890741207. The reversal of 9890741189 is 9811470989.

9890741189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2615504164 + 7275237025 = 51142^2 + 85295^2 .

It is not a de Polignac number, because 9890741189 - 2²⁸ = 9622305733 is a prime.

It is a super-2 number, since 2×9890741189² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890741089) by changing a digit.

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, 316157 + ... + 346029.

It is an arithmetic number, because the mean of its divisors is an integer number (498074265).

Almost surely, 2^9890741189 is an apocalyptic number.

It is an amenable number.

9890741189 is a deficient number, since it is larger than the sum of its proper divisors (2063041171).

9890741189 is a wasteful number, since it uses less digits than its factorization.

9890741189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30149 (or 30142 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 56.

The square root of 9890741189 is about 99452.2055512094. The cubic root of 9890741189 is about 2146.5595733961.

The spelling of 9890741189 in words is "nine billion, eight hundred ninety million, seven hundred forty-one thousand, one hundred eighty-nine".