426140599 has 2 divisors, whose sum is σ = 426140600. Its totient is φ = 426140598.

The previous prime is 426140591. The next prime is 426140647. The reversal of 426140599 is 995041624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426140599 - 2³ = 426140591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426140591) 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, 213070299 + 213070300.

It is an arithmetic number, because the mean of its divisors is an integer number (213070300).

Almost surely, 2^426140599 is an apocalyptic number.

426140599 is a deficient number, since it is larger than the sum of its proper divisors (1).

426140599 is an equidigital number, since it uses as much as digits as its factorization.

426140599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 426140599 is about 20643.1731814661. The cubic root of 426140599 is about 752.5192904625.

The spelling of 426140599 in words is "four hundred twenty-six million, one hundred forty thousand, five hundred ninety-nine".