12443760517 has 4 divisors (see below), whose sum is σ = 12444719040. Its totient is φ = 12442801996.

The previous prime is 12443760493. The next prime is 12443760559. The reversal of 12443760517 is 71506734421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12443760517 - 2¹⁵ = 12443727749 is a prime.

It is a super-3 number, since 3×12443760517³ (a number of 31 digits) contains 333 as substring.

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 12443760517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443700517) 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 3 ways as a sum of consecutive naturals, for example, 459517 + ... + 485842.

It is an arithmetic number, because the mean of its divisors is an integer number (3111179760).

Almost surely, 2^12443760517 is an apocalyptic number.

It is an amenable number.

12443760517 is a deficient number, since it is larger than the sum of its proper divisors (958523).

12443760517 is an equidigital number, since it uses as much as digits as its factorization.

12443760517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958522.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 12443760517 in words is "twelve billion, four hundred forty-three million, seven hundred sixty thousand, five hundred seventeen".