849231065 has 4 divisors (see below), whose sum is σ = 1019077284. Its totient is φ = 679384848.

The previous prime is 849231059. The next prime is 849231083. The reversal of 849231065 is 560132948.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259081216 + 590149849 = 16096^2 + 24293^2 .

It is a cyclic number.

It is not a de Polignac number, because 849231065 - 2²⁴ = 832453849 is a prime.

It is a super-2 number, since 2×849231065² = 1442386803522068450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 84923102 + ... + 84923111.

It is an arithmetic number, because the mean of its divisors is an integer number (254769321).

Almost surely, 2^849231065 is an apocalyptic number.

It is an amenable number.

849231065 is a deficient number, since it is larger than the sum of its proper divisors (169846219).

849231065 is a wasteful number, since it uses less digits than its factorization.

849231065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169846218.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 849231065 is about 29141.5693640545. The cubic root of 849231065 is about 946.9825087731.

The spelling of 849231065 in words is "eight hundred forty-nine million, two hundred thirty-one thousand, sixty-five".