12975092644 has 6 divisors (see below), whose sum is σ = 22706412134. Its totient is φ = 6487546320.

The previous prime is 12975092561. The next prime is 12975092659. The reversal of 12975092644 is 44629057921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8087404900 + 4887687744 = 89930^2 + 69912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621886577 + ... + 1621886584.

Almost surely, 2^12975092644 is an apocalyptic number.

It is an amenable number.

12975092644 is a deficient number, since it is larger than the sum of its proper divisors (9731319490).

12975092644 is a wasteful number, since it uses less digits than its factorization.

12975092644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243773165 (or 3243773163 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 12975092644 in words is "twelve billion, nine hundred seventy-five million, ninety-two thousand, six hundred forty-four".