1609579689603 has 8 divisors (see below), whose sum is σ = 2146120329408. Its totient is φ = 1073046088104.

The previous prime is 1609579689563. The next prime is 1609579689661. The reversal of 1609579689603 is 3069869759061.

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

It is a de Polignac number, because none of the positive numbers 2^k-1609579689603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1609579689673) 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, 1200601 + ... + 2158842.

It is an arithmetic number, because the mean of its divisors is an integer number (268265041176).

Almost surely, 2^{1609579689603} is an apocalyptic number.

1609579689603 is a deficient number, since it is larger than the sum of its proper divisors (536540639805).

1609579689603 is a wasteful number, since it uses less digits than its factorization.

1609579689603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519153.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 1609579689603 in words is "one trillion, six hundred nine billion, five hundred seventy-nine million, six hundred eighty-nine thousand, six hundred three".