12651628544029 has 2 divisors, whose sum is σ = 12651628544030. Its totient is φ = 12651628544028.

The previous prime is 12651628544011. The next prime is 12651628544041. The reversal of 12651628544029 is 92044582615621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6334901387929 + 6316727156100 = 2516923^2 + 2513310^2 .

It is a cyclic number.

It is not a de Polignac number, because 12651628544029 - 2¹⁵ = 12651628511261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12651628544099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325814272014 + 6325814272015.

It is an arithmetic number, because the mean of its divisors is an integer number (6325814272015).

Almost surely, 2^{12651628544029} is an apocalyptic number.

It is an amenable number.

12651628544029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651628544029 is an equidigital number, since it uses as much as digits as its factorization.

12651628544029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 12651628544029 in words is "twelve trillion, six hundred fifty-one billion, six hundred twenty-eight million, five hundred forty-four thousand, twenty-nine".