243624043001 has 6 divisors (see below), whose sum is σ = 252314556702. Its totient is φ = 235223213120.

The previous prime is 243624042997. The next prime is 243624043051. The reversal of 243624043001 is 100340426342.

It can be written as a sum of positive squares in 3 ways, for example, as 3769960000 + 239854083001 = 61400^2 + 489749^2 .

It is not a de Polignac number, because 243624043001 - 2² = 243624042997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243624043051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144841040 + ... + 144842721.

It is an arithmetic number, because the mean of its divisors is an integer number (42052426117).

Almost surely, 2^243624043001 is an apocalyptic number.

It is an amenable number.

243624043001 is a deficient number, since it is larger than the sum of its proper divisors (8690513701).

243624043001 is an equidigital number, since it uses as much as digits as its factorization.

243624043001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289683819 (or 289683790 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243624043001 its reverse (100340426342), we get a palindrome (343964469343).

The spelling of 243624043001 in words is "two hundred forty-three billion, six hundred twenty-four million, forty-three thousand, one".