2730827381 has 2 divisors, whose sum is σ = 2730827382. Its totient is φ = 2730827380.

The previous prime is 2730827377. The next prime is 2730827387. The reversal of 2730827381 is 1837280372.

2730827381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094526756 + 636300625 = 45766^2 + 25225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730827381 - 2² = 2730827377 is a prime.

It is a super-2 number, since 2×2730827381² = 14914836369638638322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2730827387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365413690 + 1365413691.

It is an arithmetic number, because the mean of its divisors is an integer number (1365413691).

Almost surely, 2^2730827381 is an apocalyptic number.

It is an amenable number.

2730827381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730827381 is an equidigital number, since it uses as much as digits as its factorization.

2730827381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 2730827381 is about 52257.3189228074. The cubic root of 2730827381 is about 1397.7561643101.

The spelling of 2730827381 in words is "two billion, seven hundred thirty million, eight hundred twenty-seven thousand, three hundred eighty-one".