605623442865 has 32 divisors (see below), whose sum is σ = 1119868727040. Its totient is φ = 273745680384.

The previous prime is 605623442863. The next prime is 605623442873. The reversal of 605623442865 is 568244326506.

It is not a de Polignac number, because 605623442865 - 2¹ = 605623442863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (605623442861) 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 31 ways as a sum of consecutive naturals, for example, 32394264 + ... + 32412953.

It is an arithmetic number, because the mean of its divisors is an integer number (34995897720).

Almost surely, 2^605623442865 is an apocalyptic number.

It is an amenable number.

605623442865 is a deficient number, since it is larger than the sum of its proper divisors (514245284175).

605623442865 is a wasteful number, since it uses less digits than its factorization.

605623442865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64807321.

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 605623442865 in words is "six hundred five billion, six hundred twenty-three million, four hundred forty-two thousand, eight hundred sixty-five".