426132609 has 32 divisors (see below), whose sum is σ = 663371520. Its totient is φ = 238298112.

The previous prime is 426132607. The next prime is 426132611. The reversal of 426132609 is 906231624.

It is an interprime number because it is at equal distance from previous prime (426132607) and next prime (426132611).

It is not a de Polignac number, because 426132609 - 2¹ = 426132607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426132609.

It is not an unprimeable number, because it can be changed into a prime (426132607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209007 + ... + 211035.

It is an arithmetic number, because the mean of its divisors is an integer number (20730360).

Almost surely, 2^426132609 is an apocalyptic number.

It is an amenable number.

426132609 is a deficient number, since it is larger than the sum of its proper divisors (237238911).

426132609 is a wasteful number, since it uses less digits than its factorization.

426132609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 426132609 is about 20642.9796541100. The cubic root of 426132609 is about 752.5145872678.

The spelling of 426132609 in words is "four hundred twenty-six million, one hundred thirty-two thousand, six hundred nine".