12673288655534 has 16 divisors (see below), whose sum is σ = 20858504117472. Its totient is φ = 5738847692448.

The previous prime is 12673288655509. The next prime is 12673288655557. The reversal of 12673288655534 is 43555688237621.

It is a happy number.

It is a super-2 number, since 2×12673288655534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4598434274 + ... + 4598437029.

It is an arithmetic number, because the mean of its divisors is an integer number (1303656507342).

Almost surely, 2^{12673288655534} is an apocalyptic number.

12673288655534 is a deficient number, since it is larger than the sum of its proper divisors (8185215461938).

12673288655534 is a wasteful number, since it uses less digits than its factorization.

12673288655534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196871371.

The product of its digits is 290304000, while the sum is 65.

The spelling of 12673288655534 in words is "twelve trillion, six hundred seventy-three billion, two hundred eighty-eight million, six hundred fifty-five thousand, five hundred thirty-four".