609944175205 has 16 divisors (see below), whose sum is σ = 755961297408. Its totient is φ = 471953880000.

The previous prime is 609944175199. The next prime is 609944175229. The reversal of 609944175205 is 502571449906.

It is not a de Polignac number, because 609944175205 - 2⁵ = 609944175173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805746 + ... + 1367155.

It is an arithmetic number, because the mean of its divisors is an integer number (47247581088).

Almost surely, 2^609944175205 is an apocalyptic number.

It is an amenable number.

609944175205 is a deficient number, since it is larger than the sum of its proper divisors (146017122203).

609944175205 is a wasteful number, since it uses less digits than its factorization.

609944175205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174748.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 609944175205 in words is "six hundred nine billion, nine hundred forty-four million, one hundred seventy-five thousand, two hundred five".