9527149980 has 72 divisors (see below), whose sum is σ = 29680096992. Its totient is φ = 2471907456.

The previous prime is 9527149969. The next prime is 9527149987. The reversal of 9527149980 is 899417259.

9527149980 is a `hidden beast` number, since 9 + 5 + 2 + 71 + 499 + 80 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9527149987) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 708592 + ... + 721911.

Almost surely, 2^9527149980 is an apocalyptic number.

9527149980 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9527149980 is an abundant number, since it is smaller than the sum of its proper divisors (20152947012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9527149980 is a wasteful number, since it uses less digits than its factorization.

9527149980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430555 (or 1430550 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 9527149980 is about 97607.1205394361. The cubic root of 9527149980 is about 2119.9274613248.

The spelling of 9527149980 in words is "nine billion, five hundred twenty-seven million, one hundred forty-nine thousand, nine hundred eighty".