2691942307 has 2 divisors, whose sum is σ = 2691942308. Its totient is φ = 2691942306.

The previous prime is 2691942271. The next prime is 2691942329. The reversal of 2691942307 is 7032491962.

2691942307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2691942307 - 2⁷ = 2691942179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2691942377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345971153 + 1345971154.

It is an arithmetic number, because the mean of its divisors is an integer number (1345971154).

Almost surely, 2^2691942307 is an apocalyptic number.

2691942307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691942307 is an equidigital number, since it uses as much as digits as its factorization.

2691942307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2691942307 is about 51883.9311058829. The cubic root of 2691942307 is about 1391.0900662019.

The spelling of 2691942307 in words is "two billion, six hundred ninety-one million, nine hundred forty-two thousand, three hundred seven".