3243731164199 has 4 divisors (see below), whose sum is σ = 3244240630464. Its totient is φ = 3243221697936.

The previous prime is 3243731164171. The next prime is 3243731164213. The reversal of 3243731164199 is 9914611373423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3243731164199 - 2⁸ = 3243731163943 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 3243731164199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243731167199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254723582 + ... + 254736315.

It is an arithmetic number, because the mean of its divisors is an integer number (811060157616).

Almost surely, 2^{3243731164199} is an apocalyptic number.

3243731164199 is a deficient number, since it is larger than the sum of its proper divisors (509466265).

3243731164199 is an equidigital number, since it uses as much as digits as its factorization.

3243731164199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509466264.

The product of its digits is 2939328, while the sum is 53.

The spelling of 3243731164199 in words is "three trillion, two hundred forty-three billion, seven hundred thirty-one million, one hundred sixty-four thousand, one hundred ninety-nine".