605564256345 has 64 divisors (see below), whose sum is σ = 989307648000. Its totient is φ = 316213134336.

The previous prime is 605564256301. The next prime is 605564256391. The reversal of 605564256345 is 543652465506.

It is not a de Polignac number, because 605564256345 - 2¹⁰ = 605564255321 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 340778097 + ... + 340779873.

It is an arithmetic number, because the mean of its divisors is an integer number (15457932000).

Almost surely, 2^605564256345 is an apocalyptic number.

It is an amenable number.

605564256345 is a deficient number, since it is larger than the sum of its proper divisors (383743391655).

605564256345 is a wasteful number, since it uses less digits than its factorization.

605564256345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 605564256345 in words is "six hundred five billion, five hundred sixty-four million, two hundred fifty-six thousand, three hundred forty-five".