8521045090 has 8 divisors (see below), whose sum is σ = 15337881180. Its totient is φ = 3408418032.

The previous prime is 8521045081. The next prime is 8521045109. The reversal of 8521045090 is 905401258.

It can be written as a sum of positive squares in 2 ways, for example, as 8389277649 + 131767441 = 91593^2 + 11479^2 .

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

It is an unprimeable number.

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, 426052245 + ... + 426052264.

Almost surely, 2^8521045090 is an apocalyptic number.

8521045090 is a deficient number, since it is larger than the sum of its proper divisors (6816836090).

8521045090 is a wasteful number, since it uses less digits than its factorization.

8521045090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852104516.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 8521045090 is about 92309.5070401744. The cubic root of 8521045090 is about 2042.5104530027.

The spelling of 8521045090 in words is "eight billion, five hundred twenty-one million, forty-five thousand, ninety".