9865034161 has 4 divisors (see below), whose sum is σ = 9868713712. Its totient is φ = 9861354612.

The previous prime is 9865034147. The next prime is 9865034173. The reversal of 9865034161 is 1614305689.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1614305689 = 1741 ⋅927229.

It is a cyclic number.

It is not a de Polignac number, because 9865034161 - 2⁵ = 9865034129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9865034111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835751 + ... + 1841116.

It is an arithmetic number, because the mean of its divisors is an integer number (2467178428).

Almost surely, 2^9865034161 is an apocalyptic number.

It is an amenable number.

9865034161 is a deficient number, since it is larger than the sum of its proper divisors (3679551).

9865034161 is a wasteful number, since it uses less digits than its factorization.

9865034161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679550.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 9865034161 is about 99322.8783362625. The cubic root of 9865034161 is about 2144.6982520278.

The spelling of 9865034161 in words is "nine billion, eight hundred sixty-five million, thirty-four thousand, one hundred sixty-one".