1426197911 has 2 divisors, whose sum is σ = 1426197912. Its totient is φ = 1426197910.

The previous prime is 1426197901. The next prime is 1426197937. The reversal of 1426197911 is 1197916241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1197916241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426197911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426197901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713098955 + 713098956.

It is an arithmetic number, because the mean of its divisors is an integer number (713098956).

Almost surely, 2^1426197911 is an apocalyptic number.

1426197911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426197911 is an equidigital number, since it uses as much as digits as its factorization.

1426197911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 41.

The square root of 1426197911 is about 37765.0355620116. The cubic root of 1426197911 is about 1125.6237952199.

The spelling of 1426197911 in words is "one billion, four hundred twenty-six million, one hundred ninety-seven thousand, nine hundred eleven".