609427736065 has 16 divisors (see below), whose sum is σ = 735846883200. Its totient is φ = 484525514880.

The previous prime is 609427736063. The next prime is 609427736101. The reversal of 609427736065 is 560637724906.

It is not a de Polignac number, because 609427736065 - 2¹ = 609427736063 is a prime.

It is a super-2 number, since 2×609427736065² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 609427735997 and 609427736015.

It is not an unprimeable number, because it can be changed into a prime (609427736063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495370 + ... + 1210060.

It is an arithmetic number, because the mean of its divisors is an integer number (45990430200).

Almost surely, 2^609427736065 is an apocalyptic number.

It is an amenable number.

609427736065 is a deficient number, since it is larger than the sum of its proper divisors (126419147135).

609427736065 is a wasteful number, since it uses less digits than its factorization.

609427736065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715752.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 609427736065 in words is "six hundred nine billion, four hundred twenty-seven million, seven hundred thirty-six thousand, sixty-five".