12669492092929 has 9 divisors (see below), whose sum is σ = 14738009581827. Its totient is φ = 10859543294544.

The previous prime is 12669492092921. The next prime is 12669492092987. The reversal of 12669492092929 is 92929029496621.

The square root of 12669492092929 is 3559423.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11959652142529 + 709839950400 = 3458273^2 + 842520^2 .

It is not a de Polignac number, because 12669492092929 - 2³ = 12669492092921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12669492092921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24661717 + ... + 25170205.

It is an arithmetic number, because the mean of its divisors is an integer number (1637556620203).

Almost surely, 2^{12669492092929} is an apocalyptic number.

12669492092929 is the 3559423-rd square number.

12669492092929 is the 1779712-nd centered octagonal number.

It is an amenable number.

12669492092929 is a deficient number, since it is larger than the sum of its proper divisors (2068517488898).

12669492092929 is an frugal number, since it uses more digits than its factorization.

12669492092929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016992 (or 508496 counting only the distinct ones).

The product of its (nonzero) digits is 136048896, while the sum is 70.

The spelling of 12669492092929 in words is "twelve trillion, six hundred sixty-nine billion, four hundred ninety-two million, ninety-two thousand, nine hundred twenty-nine".