12689339791484 has 6 divisors (see below), whose sum is σ = 22206344635104. Its totient is φ = 6344669895740.

The previous prime is 12689339791483. The next prime is 12689339791489. The reversal of 12689339791484 is 48419793398621.

It is a super-2 number, since 2×12689339791484² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12689339791483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586167473932 + ... + 1586167473939.

It is an arithmetic number, because the mean of its divisors is an integer number (3701057439184).

Almost surely, 2^{12689339791484} is an apocalyptic number.

It is an amenable number.

12689339791484 is a deficient number, since it is larger than the sum of its proper divisors (9517004843620).

12689339791484 is a wasteful number, since it uses less digits than its factorization.

12689339791484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172334947875 (or 3172334947873 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 74.

The spelling of 12689339791484 in words is "twelve trillion, six hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-one thousand, four hundred eighty-four".