243722543037 has 8 divisors (see below), whose sum is σ = 324990657120. Its totient is φ = 162468062160.

The previous prime is 243722543017. The next prime is 243722543041. The reversal of 243722543037 is 730345227342.

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

It is not a de Polignac number, because 243722543037 - 2⁷ = 243722542909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243722543037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243722543017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366514 + ... + 3438147.

It is an arithmetic number, because the mean of its divisors is an integer number (40623832140).

Almost surely, 2^243722543037 is an apocalyptic number.

It is an amenable number.

243722543037 is a deficient number, since it is larger than the sum of its proper divisors (81268114083).

243722543037 is a wasteful number, since it uses less digits than its factorization.

243722543037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816603.

The product of its (nonzero) digits is 846720, while the sum is 42.

The spelling of 243722543037 in words is "two hundred forty-three billion, seven hundred twenty-two million, five hundred forty-three thousand, thirty-seven".