426961538885 has 16 divisors (see below), whose sum is σ = 586562094336. Its totient is φ = 292266206208.

The previous prime is 426961538881. The next prime is 426961538909. The reversal of 426961538885 is 588835169624.

It is a cyclic number.

It is not a de Polignac number, because 426961538885 - 2² = 426961538881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426961538881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10550777 + ... + 10591166.

It is an arithmetic number, because the mean of its divisors is an integer number (36660130896).

Almost surely, 2^426961538885 is an apocalyptic number.

It is an amenable number.

426961538885 is a deficient number, since it is larger than the sum of its proper divisors (159600555451).

426961538885 is a wasteful number, since it uses less digits than its factorization.

426961538885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21142532.

The product of its digits is 99532800, while the sum is 65.

The spelling of 426961538885 in words is "four hundred twenty-six billion, nine hundred sixty-one million, five hundred thirty-eight thousand, eight hundred eighty-five".