605643321355 has 8 divisors (see below), whose sum is σ = 746414471952. Its totient is φ = 471419666208.

The previous prime is 605643321317. The next prime is 605643321401. The reversal of 605643321355 is 553123346506.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605643321355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636873657 + ... + 1636874026.

It is an arithmetic number, because the mean of its divisors is an integer number (93301808994).

Almost surely, 2^605643321355 is an apocalyptic number.

605643321355 is a deficient number, since it is larger than the sum of its proper divisors (140771150597).

605643321355 is a wasteful number, since it uses less digits than its factorization.

605643321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273747725.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 605643321355 in words is "six hundred five billion, six hundred forty-three million, three hundred twenty-one thousand, three hundred fifty-five".