8693525809 has 16 divisors (see below), whose sum is σ = 9325579392. Its totient is φ = 8083075968.

The previous prime is 8693525723. The next prime is 8693525831. The reversal of 8693525809 is 9085253968.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8693525809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8693525809.

It is not an unprimeable number, because it can be changed into a prime (8693525899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010962 + ... + 1019524.

It is an arithmetic number, because the mean of its divisors is an integer number (582848712).

Almost surely, 2^8693525809 is an apocalyptic number.

It is an amenable number.

8693525809 is a deficient number, since it is larger than the sum of its proper divisors (632053583).

8693525809 is a wasteful number, since it uses less digits than its factorization.

8693525809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The square root of 8693525809 is about 93239.0787652903. The cubic root of 8693525809 is about 2056.1998158821.

The spelling of 8693525809 in words is "eight billion, six hundred ninety-three million, five hundred twenty-five thousand, eight hundred nine".