426563555403 has 8 divisors (see below), whose sum is σ = 568755880000. Its totient is φ = 284373467208.

The previous prime is 426563555401. The next prime is 426563555413. The reversal of 426563555403 is 304555365624.

It is a happy number.

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

It is not a de Polignac number, because 426563555403 - 2¹ = 426563555401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426563555401) 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, 47053 + ... + 924846.

It is an arithmetic number, because the mean of its divisors is an integer number (71094485000).

Almost surely, 2^426563555403 is an apocalyptic number.

426563555403 is a deficient number, since it is larger than the sum of its proper divisors (142192324597).

426563555403 is a wasteful number, since it uses less digits than its factorization.

426563555403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118201.

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 426563555403 in words is "four hundred twenty-six billion, five hundred sixty-three million, five hundred fifty-five thousand, four hundred three".