426346261255 has 4 divisors (see below), whose sum is σ = 511615513512. Its totient is φ = 341077009000.

The previous prime is 426346261247. The next prime is 426346261273. The reversal of 426346261255 is 552162643624.

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

It is not a de Polignac number, because 426346261255 - 2³ = 426346261247 is a prime.

It is a super-2 number, since 2×426346261255² (a number of 24 digits) contains 22 as substring.

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, 42634626121 + ... + 42634626130.

It is an arithmetic number, because the mean of its divisors is an integer number (127903878378).

Almost surely, 2^426346261255 is an apocalyptic number.

426346261255 is a deficient number, since it is larger than the sum of its proper divisors (85269252257).

426346261255 is an equidigital number, since it uses as much as digits as its factorization.

426346261255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85269252256.

The product of its digits is 2073600, while the sum is 46.

The spelling of 426346261255 in words is "four hundred twenty-six billion, three hundred forty-six million, two hundred sixty-one thousand, two hundred fifty-five".