8189553069 has 6 divisors (see below), whose sum is σ = 11829354446. Its totient is φ = 5459702040.

The previous prime is 8189553059. The next prime is 8189553103. The reversal of 8189553069 is 9603559818.

It is a happy number.

8189553069 is a `hidden beast` number, since 8 + 1 + 89 + 553 + 0 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7129269225 + 1060283844 = 84435^2 + 32562^2 .

It is not a de Polignac number, because 8189553069 - 2⁵ = 8189553037 is a prime.

It is a super-2 number, since 2×8189553069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189553059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454975162 + ... + 454975179.

Almost surely, 2^8189553069 is an apocalyptic number.

It is an amenable number.

8189553069 is a deficient number, since it is larger than the sum of its proper divisors (3639801377).

8189553069 is a wasteful number, since it uses less digits than its factorization.

8189553069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909950347 (or 909950344 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 8189553069 is about 90496.1494705714. The cubic root of 8189553069 is about 2015.6729476130.

The spelling of 8189553069 in words is "eight billion, one hundred eighty-nine million, five hundred fifty-three thousand, sixty-nine".