1603144572873 has 8 divisors (see below), whose sum is σ = 2230462014528. Its totient is φ = 1022295089904.

The previous prime is 1603144572857. The next prime is 1603144572971. The reversal of 1603144572873 is 3782754413061.

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

It is not a de Polignac number, because 1603144572873 - 2⁴ = 1603144572857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1603144572823) 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, 11616989590 + ... + 11616989727.

It is an arithmetic number, because the mean of its divisors is an integer number (278807751816).

Almost surely, 2^{1603144572873} is an apocalyptic number.

It is an amenable number.

1603144572873 is a deficient number, since it is larger than the sum of its proper divisors (627317441655).

1603144572873 is a wasteful number, since it uses less digits than its factorization.

1603144572873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233979343.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 1603144572873 in words is "one trillion, six hundred three billion, one hundred forty-four million, five hundred seventy-two thousand, eight hundred seventy-three".