995216819 has 4 divisors (see below), whose sum is σ = 995502360. Its totient is φ = 994931280.

The previous prime is 995216813. The next prime is 995216843. The reversal of 995216819 is 918612599.

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

It is a cyclic number.

It is not a de Polignac number, because 995216819 - 2²⁴ = 978439603 is a prime.

It is a super-2 number, since 2×995216819² = 1980913033640957522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995216813) 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, 137477 + ... + 144534.

It is an arithmetic number, because the mean of its divisors is an integer number (248875590).

Almost surely, 2^995216819 is an apocalyptic number.

995216819 is a deficient number, since it is larger than the sum of its proper divisors (285541).

995216819 is a wasteful number, since it uses less digits than its factorization.

995216819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285540.

The product of its digits is 349920, while the sum is 50.

The square root of 995216819 is about 31547.0572161652. The cubic root of 995216819 is about 998.4030574654.

The spelling of 995216819 in words is "nine hundred ninety-five million, two hundred sixteen thousand, eight hundred nineteen".