12873571669957 has 2 divisors, whose sum is σ = 12873571669958. Its totient is φ = 12873571669956.

The previous prime is 12873571669897. The next prime is 12873571669969. The reversal of 12873571669957 is 75996617537821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11108582366116 + 1764989303841 = 3332954^2 + 1328529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12873571669957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12873571369957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6436785834978 + 6436785834979.

It is an arithmetic number, because the mean of its divisors is an integer number (6436785834979).

Almost surely, 2^{12873571669957} is an apocalyptic number.

It is an amenable number.

12873571669957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12873571669957 is an equidigital number, since it uses as much as digits as its factorization.

12873571669957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200225600, while the sum is 76.

The spelling of 12873571669957 in words is "twelve trillion, eight hundred seventy-three billion, five hundred seventy-one million, six hundred sixty-nine thousand, nine hundred fifty-seven".