243221388572414 has 16 divisors (see below), whose sum is σ = 417239100423168. Its totient is φ = 104165700813432.

The previous prime is 243221388572381. The next prime is 243221388572473. The reversal of 243221388572414 is 414275883122342.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243221388572414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6003074534 + ... + 6003115049.

It is an arithmetic number, because the mean of its divisors is an integer number (26077443776448).

Almost surely, 2^{243221388572414} is an apocalyptic number.

243221388572414 is a deficient number, since it is larger than the sum of its proper divisors (174017711850754).

243221388572414 is a wasteful number, since it uses less digits than its factorization.

243221388572414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006191039.

The product of its digits is 20643840, while the sum is 56.

The spelling of 243221388572414 in words is "two hundred forty-three trillion, two hundred twenty-one billion, three hundred eighty-eight million, five hundred seventy-two thousand, four hundred fourteen".