1426346287 has 2 divisors, whose sum is σ = 1426346288. Its totient is φ = 1426346286.

The previous prime is 1426346281. The next prime is 1426346351. The reversal of 1426346287 is 7826436241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426346287 - 2³ = 1426346279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426346281) 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, 713173143 + 713173144.

It is an arithmetic number, because the mean of its divisors is an integer number (713173144).

Almost surely, 2^1426346287 is an apocalyptic number.

1426346287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426346287 is an equidigital number, since it uses as much as digits as its factorization.

1426346287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 43.

The square root of 1426346287 is about 37766.9999735219. Note that the first 4 decimals coincide. The cubic root of 1426346287 is about 1125.6628290182.

The spelling of 1426346287 in words is "one billion, four hundred twenty-six million, three hundred forty-six thousand, two hundred eighty-seven".