1426209859 has 2 divisors, whose sum is σ = 1426209860. Its totient is φ = 1426209858.

The previous prime is 1426209817. The next prime is 1426209871. The reversal of 1426209859 is 9589026241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1426209859 - 2¹⁵ = 1426177091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1426209809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713104929 + 713104930.

It is an arithmetic number, because the mean of its divisors is an integer number (713104930).

Almost surely, 2^1426209859 is an apocalyptic number.

1426209859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426209859 is an equidigital number, since it uses as much as digits as its factorization.

1426209859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1426209859 is about 37765.1937503305. The cubic root of 1426209859 is about 1125.6269385227.

The spelling of 1426209859 in words is "one billion, four hundred twenty-six million, two hundred nine thousand, eight hundred fifty-nine".