243254253013 has 8 divisors (see below), whose sum is σ = 245354565632. Its totient is φ = 241156830096.

The previous prime is 243254253007. The next prime is 243254253017. The reversal of 243254253013 is 310352452342.

243254253013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243254253013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243254253013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243254253017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553170 + ... + 890227.

It is an arithmetic number, because the mean of its divisors is an integer number (30669320704).

Almost surely, 2^243254253013 is an apocalyptic number.

It is an amenable number.

243254253013 is a deficient number, since it is larger than the sum of its proper divisors (2100312619).

243254253013 is a wasteful number, since it uses less digits than its factorization.

243254253013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444851.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 243254253013 in words is "two hundred forty-three billion, two hundred fifty-four million, two hundred fifty-three thousand, thirteen".