89684351569 has 16 divisors (see below), whose sum is σ = 94902603264. Its totient is φ = 84614428800.

The previous prime is 89684351543. The next prime is 89684351573. The reversal of 89684351569 is 96515348698.

It is a cyclic number.

It is not a de Polignac number, because 89684351569 - 2²⁹ = 89147480657 is a prime.

It is a super-2 number, since 2×89684351569² (a number of 23 digits) contains 22 as substring.

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 89684351569.

It is not an unprimeable number, because it can be changed into a prime (89684351539) 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 15 ways as a sum of consecutive naturals, for example, 1822482 + ... + 1871044.

It is an arithmetic number, because the mean of its divisors is an integer number (5931412704).

Almost surely, 2^89684351569 is an apocalyptic number.

It is an amenable number.

89684351569 is a deficient number, since it is larger than the sum of its proper divisors (5218251695).

89684351569 is a wasteful number, since it uses less digits than its factorization.

89684351569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50088.

The product of its digits is 55987200, while the sum is 64.

The spelling of 89684351569 in words is "eighty-nine billion, six hundred eighty-four million, three hundred fifty-one thousand, five hundred sixty-nine".