8849091521 has 8 divisors (see below), whose sum is σ = 9513022080. Its totient is φ = 8204979888.

The previous prime is 8849091499. The next prime is 8849091539. The reversal of 8849091521 is 1251909488.

8849091521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8849091521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8849091551) 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 7 ways as a sum of consecutive naturals, for example, 4953806 + ... + 4955591.

It is an arithmetic number, because the mean of its divisors is an integer number (1189127760).

Almost surely, 2^8849091521 is an apocalyptic number.

It is an amenable number.

8849091521 is a deficient number, since it is larger than the sum of its proper divisors (663930559).

8849091521 is a wasteful number, since it uses less digits than its factorization.

8849091521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909463.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 8849091521 is about 94069.6099758046. The cubic root of 8849091521 is about 2068.3922201669.

The spelling of 8849091521 in words is "eight billion, eight hundred forty-nine million, ninety-one thousand, five hundred twenty-one".