1603243324613 has 16 divisors (see below), whose sum is σ = 1850179858176. Its totient is φ = 1360783860480.

The previous prime is 1603243324607. The next prime is 1603243324673. The reversal of 1603243324613 is 3164233423061.

It is a cyclic number.

It is not a de Polignac number, because 1603243324613 - 2¹⁰ = 1603243323589 is a prime.

It is a super-2 number, since 2×1603243324613² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603243324673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13728095 + ... + 13844387.

It is an arithmetic number, because the mean of its divisors is an integer number (115636241136).

Almost surely, 2^{1603243324613} is an apocalyptic number.

It is an amenable number.

1603243324613 is a deficient number, since it is larger than the sum of its proper divisors (246936533563).

1603243324613 is a wasteful number, since it uses less digits than its factorization.

1603243324613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135524.

The product of its (nonzero) digits is 186624, while the sum is 38.

Adding to 1603243324613 its reverse (3164233423061), we get a palindrome (4767476747674).

The spelling of 1603243324613 in words is "one trillion, six hundred three billion, two hundred forty-three million, three hundred twenty-four thousand, six hundred thirteen".