426621613204055 has 4 divisors (see below), whose sum is σ = 511945935844872. Its totient is φ = 341297290563240.

The previous prime is 426621613204027. The next prime is 426621613204091. The reversal of 426621613204055 is 550402316126624.

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

It is not a de Polignac number, because 426621613204055 - 2¹⁶ = 426621613138519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42662161320401 + ... + 42662161320410.

It is an arithmetic number, because the mean of its divisors is an integer number (127986483961218).

Almost surely, 2^{426621613204055} is an apocalyptic number.

426621613204055 is a deficient number, since it is larger than the sum of its proper divisors (85324322640817).

426621613204055 is an equidigital number, since it uses as much as digits as its factorization.

426621613204055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85324322640816.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 426621613204055 in words is "four hundred twenty-six trillion, six hundred twenty-one billion, six hundred thirteen million, two hundred four thousand, fifty-five".