426662444867 has 4 divisors (see below), whose sum is σ = 428248550880. Its totient is φ = 425076338856.

The previous prime is 426662444827. The next prime is 426662444881. The reversal of 426662444867 is 768444266624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 426662444867 - 2¹⁴ = 426662428483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426662444827) by changing a digit.

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, 793052603 + ... + 793053140.

It is an arithmetic number, because the mean of its divisors is an integer number (107062137720).

Almost surely, 2^426662444867 is an apocalyptic number.

426662444867 is a deficient number, since it is larger than the sum of its proper divisors (1586106013).

426662444867 is a wasteful number, since it uses less digits than its factorization.

426662444867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586106012.

The product of its digits is 74317824, while the sum is 59.

The spelling of 426662444867 in words is "four hundred twenty-six billion, six hundred sixty-two million, four hundred forty-four thousand, eight hundred sixty-seven".