2727681331 has 16 divisors (see below), whose sum is σ = 2960323200. Its totient is φ = 2503459840.

The previous prime is 2727681323. The next prime is 2727681353. The reversal of 2727681331 is 1331867272.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2727681331 - 2³ = 2727681323 is a prime.

It is a super-2 number, since 2×2727681331² = 14880490886971863122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2727681311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218445 + ... + 230593.

It is an arithmetic number, because the mean of its divisors is an integer number (185020200).

Almost surely, 2^2727681331 is an apocalyptic number.

2727681331 is a deficient number, since it is larger than the sum of its proper divisors (232641869).

2727681331 is a wasteful number, since it uses less digits than its factorization.

2727681331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12494.

The product of its digits is 84672, while the sum is 40.

The square root of 2727681331 is about 52227.2087230401. The cubic root of 2727681331 is about 1397.2191963357.

The spelling of 2727681331 in words is "two billion, seven hundred twenty-seven million, six hundred eighty-one thousand, three hundred thirty-one".