9570665089 has 4 divisors (see below), whose sum is σ = 9727561300. Its totient is φ = 9413768880.

The previous prime is 9570665087. The next prime is 9570665099. The reversal of 9570665089 is 9805660759.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9805660759 = 4153 ⋅2361103.

It can be written as a sum of positive squares in 2 ways, for example, as 361000000 + 9209665089 = 19000^2 + 95967^2 .

It is not a de Polignac number, because 9570665089 - 2¹ = 9570665087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9570665087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78448014 + ... + 78448135.

It is an arithmetic number, because the mean of its divisors is an integer number (2431890325).

Almost surely, 2^9570665089 is an apocalyptic number.

It is an amenable number.

9570665089 is a deficient number, since it is larger than the sum of its proper divisors (156896211).

9570665089 is a wasteful number, since it uses less digits than its factorization.

9570665089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156896210.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The square root of 9570665089 is about 97829.7760858114. The cubic root of 9570665089 is about 2123.1501383275.

The spelling of 9570665089 in words is "nine billion, five hundred seventy million, six hundred sixty-five thousand, eighty-nine".