12501546929 has 2 divisors, whose sum is σ = 12501546930. Its totient is φ = 12501546928.

The previous prime is 12501546923. The next prime is 12501546947. The reversal of 12501546929 is 92964510521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10035431329 + 2466115600 = 100177^2 + 49660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12501546929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12501546929.

It is not a weakly prime, because it can be changed into another prime (12501546923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250773464 + 6250773465.

It is an arithmetic number, because the mean of its divisors is an integer number (6250773465).

Almost surely, 2^12501546929 is an apocalyptic number.

It is an amenable number.

12501546929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501546929 is an equidigital number, since it uses as much as digits as its factorization.

12501546929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 12501546929 in words is "twelve billion, five hundred one million, five hundred forty-six thousand, nine hundred twenty-nine".