12652919431 has 4 divisors (see below), whose sum is σ = 12961527264. Its totient is φ = 12344311600.

The previous prime is 12652919429. The next prime is 12652919441. The reversal of 12652919431 is 13491925621.

12652919431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13491925621 = 2399 ⋅5623979.

It is a cyclic number.

It is not a de Polignac number, because 12652919431 - 2¹ = 12652919429 is a prime.

It is a super-3 number, since 3×12652919431³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652919441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154303855 + ... + 154303936.

It is an arithmetic number, because the mean of its divisors is an integer number (3240381816).

Almost surely, 2^12652919431 is an apocalyptic number.

12652919431 is a deficient number, since it is larger than the sum of its proper divisors (308607833).

12652919431 is an equidigital number, since it uses as much as digits as its factorization.

12652919431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308607832.

The product of its digits is 116640, while the sum is 43.

The spelling of 12652919431 in words is "twelve billion, six hundred fifty-two million, nine hundred nineteen thousand, four hundred thirty-one".