24513213243 has 4 divisors (see below), whose sum is σ = 32684284328. Its totient is φ = 16342142160.

The previous prime is 24513213199. The next prime is 24513213251. The reversal of 24513213243 is 34231231542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 24513213243 - 2²⁰ = 24512164667 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 24513213243.

It is not an unprimeable number, because it can be changed into a prime (24513213343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085535538 + ... + 4085535543.

It is an arithmetic number, because the mean of its divisors is an integer number (8171071082).

Almost surely, 2^24513213243 is an apocalyptic number.

24513213243 is a deficient number, since it is larger than the sum of its proper divisors (8171071085).

24513213243 is an equidigital number, since it uses as much as digits as its factorization.

24513213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171071084.

The product of its digits is 17280, while the sum is 30.

Adding to 24513213243 its reverse (34231231542), we get a palindrome (58744444785).

The spelling of 24513213243 in words is "twenty-four billion, five hundred thirteen million, two hundred thirteen thousand, two hundred forty-three".