605855324591 has 4 divisors (see below), whose sum is σ = 660933081384. Its totient is φ = 550777567800.

The previous prime is 605855324537. The next prime is 605855324597. The reversal of 605855324591 is 195423558506.

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

It is a cyclic number.

It is not a de Polignac number, because 605855324591 - 2¹⁴ = 605855308207 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 (605855324597) 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, 27538878380 + ... + 27538878401.

It is an arithmetic number, because the mean of its divisors is an integer number (165233270346).

Almost surely, 2^605855324591 is an apocalyptic number.

605855324591 is a deficient number, since it is larger than the sum of its proper divisors (55077756793).

605855324591 is a wasteful number, since it uses less digits than its factorization.

605855324591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55077756792.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 605855324591 in words is "six hundred five billion, eight hundred fifty-five million, three hundred twenty-four thousand, five hundred ninety-one".