609386473765 has 16 divisors (see below), whose sum is σ = 731913065856. Its totient is φ = 487076472000.

The previous prime is 609386473763. The next prime is 609386473777. The reversal of 609386473765 is 567374683906.

It is not a de Polignac number, because 609386473765 - 2¹ = 609386473763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609386473697 and 609386473706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609386473763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57208690 + ... + 57219340.

It is an arithmetic number, because the mean of its divisors is an integer number (45744566616).

Almost surely, 2^609386473765 is an apocalyptic number.

It is an amenable number.

609386473765 is a deficient number, since it is larger than the sum of its proper divisors (122526592091).

609386473765 is a wasteful number, since it uses less digits than its factorization.

609386473765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 609386473765 in words is "six hundred nine billion, three hundred eighty-six million, four hundred seventy-three thousand, seven hundred sixty-five".