13203985852943 has 8 divisors (see below), whose sum is σ = 13224326737728. Its totient is φ = 13183660376064.

The previous prime is 13203985852933. The next prime is 13203985853033. The reversal of 13203985852943 is 34925858930231.

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 13203985852943 - 2⁴ = 13203985852927 is a prime.

It is a super-2 number, since 2×13203985852943² (a number of 27 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 (13203985852933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136146 + ... + 5565167.

It is an arithmetic number, because the mean of its divisors is an integer number (1653040842216).

Almost surely, 2^{13203985852943} is an apocalyptic number.

13203985852943 is a deficient number, since it is larger than the sum of its proper divisors (20340884785).

13203985852943 is a wasteful number, since it uses less digits than its factorization.

13203985852943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703953.

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 13203985852943 in words is "thirteen trillion, two hundred three billion, nine hundred eighty-five million, eight hundred fifty-two thousand, nine hundred forty-three".