8529012492 has 192 divisors, whose sum is σ = 27226450944. Its totient is φ = 2006184960.

The previous prime is 8529012473. The next prime is 8529012509. The reversal of 8529012492 is 2942109258.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 63 ways as a sum of consecutive naturals, for example, 629938 + ... + 643334.

It is an arithmetic number, because the mean of its divisors is an integer number (141804432).

Almost surely, 2^8529012492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8529012492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13613225472).

8529012492 is an abundant number, since it is smaller than the sum of its proper divisors (18697438452).

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

8529012492 is a wasteful number, since it uses less digits than its factorization.

8529012492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13488 (or 13486 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8529012492 is about 92352.6528693139. The cubic root of 8529012492 is about 2043.1468550824.

The spelling of 8529012492 in words is "eight billion, five hundred twenty-nine million, twelve thousand, four hundred ninety-two".