12648553104973 has 2 divisors, whose sum is σ = 12648553104974. Its totient is φ = 12648553104972.

The previous prime is 12648553104949. The next prime is 12648553104989. The reversal of 12648553104973 is 37940135584621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9611748479524 + 3036804625449 = 3100282^2 + 1742643^2 .

It is a cyclic number.

It is not a de Polignac number, because 12648553104973 - 2⁹ = 12648553104461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12648553104923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324276552486 + 6324276552487.

It is an arithmetic number, because the mean of its divisors is an integer number (6324276552487).

It is a 1-persistent number, because it is pandigital, but 2⋅12648553104973 = 25297106209946 is not.

Almost surely, 2^{12648553104973} is an apocalyptic number.

It is an amenable number.

12648553104973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12648553104973 is an equidigital number, since it uses as much as digits as its factorization.

12648553104973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 12648553104973 in words is "twelve trillion, six hundred forty-eight billion, five hundred fifty-three million, one hundred four thousand, nine hundred seventy-three".