2816196217 has 4 divisors (see below), whose sum is σ = 2981854836. Its totient is φ = 2650537600.

The previous prime is 2816196191. The next prime is 2816196259. The reversal of 2816196217 is 7126916182.

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 841638121 + 1974558096 = 29011^2 + 44436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2816196217 is a prime.

It is a super-2 number, since 2×2816196217² = 15861922265290222178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2816196517) 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, 82829284 + ... + 82829317.

It is an arithmetic number, because the mean of its divisors is an integer number (745463709).

Almost surely, 2^2816196217 is an apocalyptic number.

It is an amenable number.

2816196217 is a deficient number, since it is larger than the sum of its proper divisors (165658619).

2816196217 is a wasteful number, since it uses less digits than its factorization.

2816196217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165658618.

The product of its digits is 72576, while the sum is 43.

The square root of 2816196217 is about 53067.8454150910. The cubic root of 2816196217 is about 1412.1721323440.

The spelling of 2816196217 in words is "two billion, eight hundred sixteen million, one hundred ninety-six thousand, two hundred seventeen".