12665743463 has 16 divisors (see below), whose sum is σ = 13591203840. Its totient is φ = 11767946400.

The previous prime is 12665743459. The next prime is 12665743469. The reversal of 12665743463 is 36434756621.

It is not a de Polignac number, because 12665743463 - 2² = 12665743459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12665743469) 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, 233081 + ... + 282237.

It is an arithmetic number, because the mean of its divisors is an integer number (849450240).

Almost surely, 2^12665743463 is an apocalyptic number.

12665743463 is a deficient number, since it is larger than the sum of its proper divisors (925460377).

12665743463 is a wasteful number, since it uses less digits than its factorization.

12665743463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49438.

The product of its digits is 2177280, while the sum is 47.

The spelling of 12665743463 in words is "twelve billion, six hundred sixty-five million, seven hundred forty-three thousand, four hundred sixty-three".