1604575890289 has 8 divisors (see below), whose sum is σ = 1678336107840. Its totient is φ = 1531148676816.

The previous prime is 1604575890257. The next prime is 1604575890311. The reversal of 1604575890289 is 9820985754061.

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 1604575890289 - 2⁵ = 1604575890257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1604575890289.

It is not an unprimeable number, because it can be changed into a prime (1604575890209) 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, 83241162 + ... + 83260435.

It is an arithmetic number, because the mean of its divisors is an integer number (209792013480).

Almost surely, 2^{1604575890289} is an apocalyptic number.

It is an amenable number.

1604575890289 is a deficient number, since it is larger than the sum of its proper divisors (73760217551).

1604575890289 is a wasteful number, since it uses less digits than its factorization.

1604575890289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166502039.

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 1604575890289 in words is "one trillion, six hundred four billion, five hundred seventy-five million, eight hundred ninety thousand, two hundred eighty-nine".