12653143439 has 16 divisors (see below), whose sum is σ = 13360528800. Its totient is φ = 11966406144.

The previous prime is 12653143417. The next prime is 12653143471. The reversal of 12653143439 is 93434135621.

It is a cyclic number.

It is not a de Polignac number, because 12653143439 - 2²⁸ = 12384707983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12653143396 and 12653143405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653143409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253259 + ... + 299075.

It is an arithmetic number, because the mean of its divisors is an integer number (835033050).

Almost surely, 2^12653143439 is an apocalyptic number.

12653143439 is a deficient number, since it is larger than the sum of its proper divisors (707385361).

12653143439 is a wasteful number, since it uses less digits than its factorization.

12653143439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46042.

The product of its digits is 233280, while the sum is 41.

The spelling of 12653143439 in words is "twelve billion, six hundred fifty-three million, one hundred forty-three thousand, four hundred thirty-nine".