3243989870197 has 8 divisors (see below), whose sum is σ = 3434972823576. Its totient is φ = 3053024696832.

The previous prime is 3243989870179. The next prime is 3243989870203. The reversal of 3243989870197 is 7910789893423.

It can be written as a sum of positive squares in 4 ways, for example, as 100794185361 + 3143195684836 = 317481^2 + 1772906^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243989870197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243989870897) 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, 4068448 + ... + 4800025.

It is an arithmetic number, because the mean of its divisors is an integer number (429371602947).

Almost surely, 2^{3243989870197} is an apocalyptic number.

It is an amenable number.

3243989870197 is a deficient number, since it is larger than the sum of its proper divisors (190982953379).

3243989870197 is a wasteful number, since it uses less digits than its factorization.

3243989870197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890007.

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 3243989870197 in words is "three trillion, two hundred forty-three billion, nine hundred eighty-nine million, eight hundred seventy thousand, one hundred ninety-seven".