426792609 has 6 divisors (see below), whose sum is σ = 616478226. Its totient is φ = 284528400.

The previous prime is 426792559. The next prime is 426792637. The reversal of 426792609 is 906297624.

It can be written as a sum of positive squares in only one way, i.e., 333245025 + 93547584 = 18255^2 + 9672^2 .

It is not a de Polignac number, because 426792609 - 2⁷ = 426792481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426792659) 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 in 5 ways as a sum of consecutive naturals, for example, 23710692 + ... + 23710709.

It is an arithmetic number, because the mean of its divisors is an integer number (102746371).

Almost surely, 2^426792609 is an apocalyptic number.

It is an amenable number.

426792609 is a deficient number, since it is larger than the sum of its proper divisors (189685617).

426792609 is a wasteful number, since it uses less digits than its factorization.

426792609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47421407 (or 47421404 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 426792609 is about 20658.9595333357. The cubic root of 426792609 is about 752.9028884886.

The spelling of 426792609 in words is "four hundred twenty-six million, seven hundred ninety-two thousand, six hundred nine".