609396939245 has 8 divisors (see below), whose sum is σ = 731288407416. Its totient is φ = 487509497856.

The previous prime is 609396939167. The next prime is 609396939259. The reversal of 609396939245 is 542939693906.

It can be written as a sum of positive squares in 4 ways, for example, as 53234487076 + 556162452169 = 230726^2 + 745763^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 609396939245 - 2¹⁰ = 609396938221 is a prime.

It is a super-2 number, since 2×609396939245² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663092 + ... + 1287821.

It is an arithmetic number, because the mean of its divisors is an integer number (91411050927).

Almost surely, 2^609396939245 is an apocalyptic number.

It is an amenable number.

609396939245 is a deficient number, since it is larger than the sum of its proper divisors (121891468171).

609396939245 is a wasteful number, since it uses less digits than its factorization.

609396939245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013391.

The product of its (nonzero) digits is 85030560, while the sum is 65.

The spelling of 609396939245 in words is "six hundred nine billion, three hundred ninety-six million, nine hundred thirty-nine thousand, two hundred forty-five".