426504205443361 has 4 divisors (see below), whose sum is σ = 426646420920000. Its totient is φ = 426361989966724.

The previous prime is 426504205443263. The next prime is 426504205443389. The reversal of 426504205443361 is 163344502405624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426504205443361 - 2³³ = 426495615508769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426504205413361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71107733821 + ... + 71107739818.

It is an arithmetic number, because the mean of its divisors is an integer number (106661605230000).

Almost surely, 2^{426504205443361} is an apocalyptic number.

It is an amenable number.

426504205443361 is a deficient number, since it is larger than the sum of its proper divisors (142215476639).

426504205443361 is a wasteful number, since it uses less digits than its factorization.

426504205443361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142215476638.

The product of its (nonzero) digits is 8294400, while the sum is 49.

Adding to 426504205443361 its reverse (163344502405624), we get a palindrome (589848707848985).

The spelling of 426504205443361 in words is "four hundred twenty-six trillion, five hundred four billion, two hundred five million, four hundred forty-three thousand, three hundred sixty-one".