12651628544671 has 2 divisors, whose sum is σ = 12651628544672. Its totient is φ = 12651628544670.

The previous prime is 12651628544629. The next prime is 12651628544683. The reversal of 12651628544671 is 17644582615621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12651628544671 - 2³¹ = 12649481061023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12651628544771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325814272335 + 6325814272336.

It is an arithmetic number, because the mean of its divisors is an integer number (6325814272336).

Almost surely, 2^{12651628544671} is an apocalyptic number.

12651628544671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651628544671 is an equidigital number, since it uses as much as digits as its factorization.

12651628544671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 58.

The spelling of 12651628544671 in words is "twelve trillion, six hundred fifty-one billion, six hundred twenty-eight million, five hundred forty-four thousand, six hundred seventy-one".