426733365601 has 4 divisors (see below), whose sum is σ = 426774184452. Its totient is φ = 426692546752.

The previous prime is 426733365581. The next prime is 426733365623. The reversal of 426733365601 is 106563337624.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 415380250000 + 11353115601 = 644500^2 + 106551^2 .

It is a cyclic number.

It is not a de Polignac number, because 426733365601 - 2⁹ = 426733365089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426733365701) 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, 20393740 + ... + 20414653.

It is an arithmetic number, because the mean of its divisors is an integer number (106693546113).

Almost surely, 2^426733365601 is an apocalyptic number.

It is an amenable number.

426733365601 is a deficient number, since it is larger than the sum of its proper divisors (40818851).

426733365601 is a wasteful number, since it uses less digits than its factorization.

426733365601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40818850.

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 426733365601 in words is "four hundred twenty-six billion, seven hundred thirty-three million, three hundred sixty-five thousand, six hundred one".