12346619323617 has 14 divisors (see below), whose sum is σ = 18511460797682. Its totient is φ = 8231079548592.

The previous prime is 12346619323481. The next prime is 12346619323693. The reversal of 12346619323617 is 71632391664321.

12346619323617 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 6 + 6 + 19 + 3 + 2 + 3 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9721169458641 + 2625449864976 = 3117879^2 + 1620324^2 .

It is not a de Polignac number, because 12346619323617 - 2²⁶ = 12346552214753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12346619322617) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8468188108 + ... + 8468189565.

Almost surely, 2^{12346619323617} is an apocalyptic number.

It is an amenable number.

12346619323617 is a deficient number, since it is larger than the sum of its proper divisors (6164841474065).

12346619323617 is an frugal number, since it uses more digits than its factorization.

12346619323617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16936377691 (or 16936377676 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 12346619323617 in words is "twelve trillion, three hundred forty-six billion, six hundred nineteen million, three hundred twenty-three thousand, six hundred seventeen".