9806214073 has 4 divisors (see below), whose sum is σ = 10045390068. Its totient is φ = 9567038080.

The previous prime is 9806214043. The next prime is 9806214083. The reversal of 9806214073 is 3704126089.

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 1979627049 + 7826587024 = 44493^2 + 88468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9806214073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9806214043) 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, 119587936 + ... + 119588017.

It is an arithmetic number, because the mean of its divisors is an integer number (2511347517).

Almost surely, 2^9806214073 is an apocalyptic number.

It is an amenable number.

9806214073 is a deficient number, since it is larger than the sum of its proper divisors (239175995).

9806214073 is a wasteful number, since it uses less digits than its factorization.

9806214073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239175994.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 9806214073 is about 99026.3302006088. The cubic root of 9806214073 is about 2140.4271771478.

The spelling of 9806214073 in words is "nine billion, eight hundred six million, two hundred fourteen thousand, seventy-three".