426833840269 has 8 divisors (see below), whose sum is σ = 464156354808. Its totient is φ = 390868508160.

The previous prime is 426833840263. The next prime is 426833840273. The reversal of 426833840269 is 962048338624.

It can be written as a sum of positive squares in 4 ways, for example, as 205515342244 + 221318498025 = 453338^2 + 470445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426833840269 - 2³ = 426833840261 is a prime.

It is a super-2 number, since 2×426833840269² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426833840261) 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 in 7 ways as a sum of consecutive naturals, for example, 339294952 + ... + 339296209.

It is an arithmetic number, because the mean of its divisors is an integer number (58019544351).

Almost surely, 2^426833840269 is an apocalyptic number.

It is an amenable number.

426833840269 is a deficient number, since it is larger than the sum of its proper divisors (37322514539).

426833840269 is a wasteful number, since it uses less digits than its factorization.

426833840269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678591215.

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 426833840269 in words is "four hundred twenty-six billion, eight hundred thirty-three million, eight hundred forty thousand, two hundred sixty-nine".