8535813969 has 4 divisors (see below), whose sum is σ = 11381085296. Its totient is φ = 5690542644.

The previous prime is 8535813911. The next prime is 8535814033. The reversal of 8535813969 is 9693185358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-8535813969 is a prime.

It is a super-2 number, since 2×8535813969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8535813269) 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 3 ways as a sum of consecutive naturals, for example, 1422635659 + ... + 1422635664.

It is an arithmetic number, because the mean of its divisors is an integer number (2845271324).

Almost surely, 2^8535813969 is an apocalyptic number.

It is an amenable number.

8535813969 is a deficient number, since it is larger than the sum of its proper divisors (2845271327).

8535813969 is a wasteful number, since it uses less digits than its factorization.

8535813969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845271326.

The product of its digits is 6998400, while the sum is 57.

The square root of 8535813969 is about 92389.4689290939. The cubic root of 8535813969 is about 2043.6898145431.

The spelling of 8535813969 in words is "eight billion, five hundred thirty-five million, eight hundred thirteen thousand, nine hundred sixty-nine".