605623442872 has 16 divisors (see below), whose sum is σ = 1297764520560. Its totient is φ = 259552904064.

The previous prime is 605623442863. The next prime is 605623442873. The reversal of 605623442872 is 278244326506.

It is a happy number.

It is a super-2 number, since 2×605623442872² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605623442873) 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, 5407352113 + ... + 5407352224.

It is an arithmetic number, because the mean of its divisors is an integer number (81110282535).

Almost surely, 2^605623442872 is an apocalyptic number.

It is an amenable number.

605623442872 is an abundant number, since it is smaller than the sum of its proper divisors (692141077688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605623442872 is a wasteful number, since it uses less digits than its factorization.

605623442872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814704350 (or 10814704346 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 605623442872 in words is "six hundred five billion, six hundred twenty-three million, four hundred forty-two thousand, eight hundred seventy-two".