12539799463 has 16 divisors (see below), whose sum is σ = 13101527520. Its totient is φ = 11990160000.

The previous prime is 12539799457. The next prime is 12539799511. The reversal of 12539799463 is 36499793521.

It is a happy number.

It is not a de Polignac number, because 12539799463 - 2⁵ = 12539799431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12539799398 and 12539799407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12539799163) 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, 3855588 + ... + 3858838.

It is an arithmetic number, because the mean of its divisors is an integer number (818845470).

Almost surely, 2^12539799463 is an apocalyptic number.

12539799463 is a deficient number, since it is larger than the sum of its proper divisors (561728057).

12539799463 is a wasteful number, since it uses less digits than its factorization.

12539799463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058.

The product of its digits is 11022480, while the sum is 58.

The spelling of 12539799463 in words is "twelve billion, five hundred thirty-nine million, seven hundred ninety-nine thousand, four hundred sixty-three".