8989140537 has 16 divisors (see below), whose sum is σ = 14341649280. Its totient is φ = 5531778576.

The previous prime is 8989140443. The next prime is 8989140539. The reversal of 8989140537 is 7350419898.

8989140537 is a `hidden beast` number, since 8 + 98 + 9 + 14 + 0 + 537 = 666.

It is not a de Polignac number, because 8989140537 - 2²⁴ = 8972363321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8989140539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12804693 + ... + 12805394.

It is an arithmetic number, because the mean of its divisors is an integer number (896353080).

Almost surely, 2^8989140537 is an apocalyptic number.

It is an amenable number.

8989140537 is a deficient number, since it is larger than the sum of its proper divisors (5352508743).

8989140537 is a wasteful number, since it uses less digits than its factorization.

8989140537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25610109 (or 25610103 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 8989140537 is about 94811.0781343615. The cubic root of 8989140537 is about 2079.2468717707.

The spelling of 8989140537 in words is "eight billion, nine hundred eighty-nine million, one hundred forty thousand, five hundred thirty-seven".