2691797243 has 2 divisors, whose sum is σ = 2691797244. Its totient is φ = 2691797242.

The previous prime is 2691797219. The next prime is 2691797267. The reversal of 2691797243 is 3427971962.

It is a balanced prime because it is at equal distance from previous prime (2691797219) and next prime (2691797267).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2691797243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2691797191 and 2691797200.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345898621 + 1345898622.

It is an arithmetic number, because the mean of its divisors is an integer number (1345898622).

Almost surely, 2^2691797243 is an apocalyptic number.

2691797243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691797243 is an equidigital number, since it uses as much as digits as its factorization.

2691797243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 2691797243 is about 51882.5331205021. The cubic root of 2691797243 is about 1391.0650779603.

The spelling of 2691797243 in words is "two billion, six hundred ninety-one million, seven hundred ninety-seven thousand, two hundred forty-three".