2731595216 has 80 divisors (see below), whose sum is σ = 6171033600. Its totient is φ = 1147108224.

The previous prime is 2731595203. The next prime is 2731595221. The reversal of 2731595216 is 6125951372.

It is a super-2 number, since 2×2731595216² = 14923224848148173312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3164801 + ... + 3165663.

It is an arithmetic number, because the mean of its divisors is an integer number (77137920).

Almost surely, 2^2731595216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731595216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3085516800).

2731595216 is an abundant number, since it is smaller than the sum of its proper divisors (3439438384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731595216 is a wasteful number, since it uses less digits than its factorization.

2731595216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1410 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 2731595216 is about 52264.6650807216. The cubic root of 2731595216 is about 1397.8871558108.

The spelling of 2731595216 in words is "two billion, seven hundred thirty-one million, five hundred ninety-five thousand, two hundred sixteen".