1426376191 has 2 divisors, whose sum is σ = 1426376192. Its totient is φ = 1426376190.

The previous prime is 1426376179. The next prime is 1426376197. The reversal of 1426376191 is 1916736241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1426376191 - 2⁹ = 1426375679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426376197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713188095 + 713188096.

It is an arithmetic number, because the mean of its divisors is an integer number (713188096).

Almost surely, 2^1426376191 is an apocalyptic number.

1426376191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426376191 is an equidigital number, since it uses as much as digits as its factorization.

1426376191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 1426376191 is about 37767.3958726307. The cubic root of 1426376191 is about 1125.6706956413.

The spelling of 1426376191 in words is "one billion, four hundred twenty-six million, three hundred seventy-six thousand, one hundred ninety-one".