2709189643 has 2 divisors, whose sum is σ = 2709189644. Its totient is φ = 2709189642.

The previous prime is 2709189607. The next prime is 2709189701. The reversal of 2709189643 is 3469819072.

2709189643 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 is a cyclic number.

It is not a de Polignac number, because 2709189643 - 2¹³ = 2709181451 is a prime.

It is not a weakly prime, because it can be changed into another prime (2709183643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354594821 + 1354594822.

It is an arithmetic number, because the mean of its divisors is an integer number (1354594822).

Almost surely, 2^2709189643 is an apocalyptic number.

2709189643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709189643 is an equidigital number, since it uses as much as digits as its factorization.

2709189643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2709189643 is about 52049.8764936095. The cubic root of 2709189643 is about 1394.0546590851.

The spelling of 2709189643 in words is "two billion, seven hundred nine million, one hundred eighty-nine thousand, six hundred forty-three".