8525423489 has 8 divisors (see below), whose sum is σ = 9302224032. Its totient is φ = 7748916640.

The previous prime is 8525423453. The next prime is 8525423497. The reversal of 8525423489 is 9843245258.

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

It is a cyclic number.

It is not a de Polignac number, because 8525423489 - 2²⁴ = 8508646273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8525483489) 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, 10364 + ... + 130989.

It is an arithmetic number, because the mean of its divisors is an integer number (1162778004).

Almost surely, 2^8525423489 is an apocalyptic number.

It is an amenable number.

8525423489 is a deficient number, since it is larger than the sum of its proper divisors (776800543).

8525423489 is a wasteful number, since it uses less digits than its factorization.

8525423489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146847.

The product of its digits is 2764800, while the sum is 50.

The square root of 8525423489 is about 92333.2198561276. The cubic root of 8525423489 is about 2042.8602299116.

The spelling of 8525423489 in words is "eight billion, five hundred twenty-five million, four hundred twenty-three thousand, four hundred eighty-nine".