2427725547691 has 2 divisors, whose sum is σ = 2427725547692. Its totient is φ = 2427725547690.

The previous prime is 2427725547647. The next prime is 2427725547697. The reversal of 2427725547691 is 1967455277242.

2427725547691 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 2427725547691 - 2¹¹ = 2427725545643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2427725547697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213862773845 + 1213862773846.

It is an arithmetic number, because the mean of its divisors is an integer number (1213862773846).

Almost surely, 2^{2427725547691} is an apocalyptic number.

2427725547691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427725547691 is an equidigital number, since it uses as much as digits as its factorization.

2427725547691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59270400, while the sum is 61.

The spelling of 2427725547691 in words is "two trillion, four hundred twenty-seven billion, seven hundred twenty-five million, five hundred forty-seven thousand, six hundred ninety-one".