243343113986 has 16 divisors (see below), whose sum is σ = 417435742080. Its totient is φ = 104220876480.

The previous prime is 243343113971. The next prime is 243343113989. The reversal of 243343113986 is 689311343342.

It is a super-2 number, since 2×243343113986² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243343113986.

It is not an unprimeable number, because it can be changed into a prime (243343113989) 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, 5730551 + ... + 5772858.

It is an arithmetic number, because the mean of its divisors is an integer number (26089733880).

Almost surely, 2^243343113986 is an apocalyptic number.

243343113986 is a deficient number, since it is larger than the sum of its proper divisors (174092628094).

243343113986 is a wasteful number, since it uses less digits than its factorization.

243343113986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504929.

The product of its digits is 1119744, while the sum is 47.

The spelling of 243343113986 in words is "two hundred forty-three billion, three hundred forty-three million, one hundred thirteen thousand, nine hundred eighty-six".