243254541013 has 8 divisors (see below), whose sum is σ = 270375545376. Its totient is φ = 216968029200.

The previous prime is 243254540941. The next prime is 243254541041. The reversal of 243254541013 is 310145452342.

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

It is not a de Polignac number, because 243254541013 - 2³⁷ = 105815587541 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 243254541013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243254541043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208622523 + ... + 208623688.

It is an arithmetic number, because the mean of its divisors is an integer number (33796943172).

Almost surely, 2^243254541013 is an apocalyptic number.

It is an amenable number.

243254541013 is a deficient number, since it is larger than the sum of its proper divisors (27121004363).

243254541013 is a wasteful number, since it uses less digits than its factorization.

243254541013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417246275.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 243254541013 its reverse (310145452342), we get a palindrome (553399993355).

The spelling of 243254541013 in words is "two hundred forty-three billion, two hundred fifty-four million, five hundred forty-one thousand, thirteen".