8520331149 has 48 divisors (see below), whose sum is σ = 13572808704. Its totient is φ = 5107687200.

The previous prime is 8520331097. The next prime is 8520331151. The reversal of 8520331149 is 9411330258.

It is not a de Polignac number, because 8520331149 - 2⁷ = 8520331021 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520331199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3685704 + ... + 3688014.

It is an arithmetic number, because the mean of its divisors is an integer number (282766848).

Almost surely, 2^8520331149 is an apocalyptic number.

It is an amenable number.

8520331149 is a deficient number, since it is larger than the sum of its proper divisors (5052477555).

8520331149 is a wasteful number, since it uses less digits than its factorization.

8520331149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 8520331149 is about 92305.6398547781. The cubic root of 8520331149 is about 2042.4534070782.

The spelling of 8520331149 in words is "eight billion, five hundred twenty million, three hundred thirty-one thousand, one hundred forty-nine".