426310917605 has 4 divisors (see below), whose sum is σ = 511573101132. Its totient is φ = 341048734080.

The previous prime is 426310917553. The next prime is 426310917629. The reversal of 426310917605 is 506719013624.

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 92483500321 + 333827417284 = 304111^2 + 577778^2 .

It is not a de Polignac number, because 426310917605 - 2⁸ = 426310917349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 42631091756 + ... + 42631091765.

It is an arithmetic number, because the mean of its divisors is an integer number (127893275283).

Almost surely, 2^426310917605 is an apocalyptic number.

It is an amenable number.

426310917605 is a deficient number, since it is larger than the sum of its proper divisors (85262183527).

426310917605 is an equidigital number, since it uses as much as digits as its factorization.

426310917605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85262183526.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 426310917605 in words is "four hundred twenty-six billion, three hundred ten million, nine hundred seventeen thousand, six hundred five".