201603604609 has 8 divisors (see below), whose sum is σ = 220215730752. Its totient is φ = 183038899440.

The previous prime is 201603604577. The next prime is 201603604651. The reversal of 201603604609 is 906406306102.

It is a happy number.

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 201603604609 - 2⁵ = 201603604577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201603604409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11846349 + ... + 11863354.

It is an arithmetic number, because the mean of its divisors is an integer number (27526966344).

Almost surely, 2^201603604609 is an apocalyptic number.

It is an amenable number.

201603604609 is a deficient number, since it is larger than the sum of its proper divisors (18612126143).

201603604609 is a wasteful number, since it uses less digits than its factorization.

201603604609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23710487.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 201603604609 in words is "two hundred one billion, six hundred three million, six hundred four thousand, six hundred nine".