426686413 has 4 divisors (see below), whose sum is σ = 431085340. Its totient is φ = 422287488.

The previous prime is 426686389. The next prime is 426686423. The reversal of 426686413 is 314686624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151856329 + 274830084 = 12323^2 + 16578^2 .

It is a cyclic number.

It is not a de Polignac number, because 426686413 - 2⁹ = 426685901 is a prime.

It is a super-2 number, since 2×426686413² = 364122590077613138, which 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 (426686423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199318 + ... + 2199511.

It is an arithmetic number, because the mean of its divisors is an integer number (107771335).

Almost surely, 2^426686413 is an apocalyptic number.

It is an amenable number.

426686413 is a deficient number, since it is larger than the sum of its proper divisors (4398927).

426686413 is an equidigital number, since it uses as much as digits as its factorization.

426686413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398926.

The product of its digits is 165888, while the sum is 40.

The square root of 426686413 is about 20656.3891568686. The cubic root of 426686413 is about 752.8404366826.

The spelling of 426686413 in words is "four hundred twenty-six million, six hundred eighty-six thousand, four hundred thirteen".