2730211291 has 2 divisors, whose sum is σ = 2730211292. Its totient is φ = 2730211290.

The previous prime is 2730211277. The next prime is 2730211321. The reversal of 2730211291 is 1921120372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2730211291 - 2⁷ = 2730211163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2730211201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365105645 + 1365105646.

It is an arithmetic number, because the mean of its divisors is an integer number (1365105646).

Almost surely, 2^2730211291 is an apocalyptic number.

2730211291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730211291 is an equidigital number, since it uses as much as digits as its factorization.

2730211291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 2730211291 is about 52251.4238179210. The cubic root of 2730211291 is about 1397.6510425230.

The spelling of 2730211291 in words is "two billion, seven hundred thirty million, two hundred eleven thousand, two hundred ninety-one".