426555613 has 12 divisors (see below), whose sum is σ = 469774620. Its totient is φ = 387020480.

The previous prime is 426555611. The next prime is 426555671. The reversal of 426555613 is 316555624.

It can be written as a sum of positive squares in 2 ways, for example, as 169338169 + 257217444 = 13013^2 + 16038^2 .

It is not a de Polignac number, because 426555613 - 2¹ = 426555611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426555611) 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 11 ways as a sum of consecutive naturals, for example, 64233 + ... + 70561.

It is an arithmetic number, because the mean of its divisors is an integer number (39147885).

Almost surely, 2^426555613 is an apocalyptic number.

It is an amenable number.

426555613 is a deficient number, since it is larger than the sum of its proper divisors (43219007).

426555613 is a wasteful number, since it uses less digits than its factorization.

426555613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908 (or 6897 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 426555613 is about 20653.2228235692. Note that the first 3 decimals coincide. The cubic root of 426555613 is about 752.7635014987.

The spelling of 426555613 in words is "four hundred twenty-six million, five hundred fifty-five thousand, six hundred thirteen".