243360141639 has 4 divisors (see below), whose sum is σ = 324480188856. Its totient is φ = 162240094424.

The previous prime is 243360141623. The next prime is 243360141641. The reversal of 243360141639 is 936141063342.

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 243360141639 - 2⁴ = 243360141623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243360141639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243360146639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40560023604 + ... + 40560023609.

It is an arithmetic number, because the mean of its divisors is an integer number (81120047214).

Almost surely, 2^243360141639 is an apocalyptic number.

243360141639 is a deficient number, since it is larger than the sum of its proper divisors (81120047217).

243360141639 is an equidigital number, since it uses as much as digits as its factorization.

243360141639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81120047216.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 243360141639 in words is "two hundred forty-three billion, three hundred sixty million, one hundred forty-one thousand, six hundred thirty-nine".