12809062518773 has 4 divisors (see below), whose sum is σ = 12817607592000. Its totient is φ = 12800517445548.

The previous prime is 12809062518691. The next prime is 12809062518793. The reversal of 12809062518773 is 37781526090821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12809062518773 - 2⁸ = 12809062518517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12809062518793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272534365 + ... + 4272537362.

It is an arithmetic number, because the mean of its divisors is an integer number (3204401898000).

Almost surely, 2^{12809062518773} is an apocalyptic number.

It is an amenable number.

12809062518773 is a deficient number, since it is larger than the sum of its proper divisors (8545073227).

12809062518773 is an equidigital number, since it uses as much as digits as its factorization.

12809062518773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545073226.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 12809062518773 in words is "twelve trillion, eight hundred nine billion, sixty-two million, five hundred eighteen thousand, seven hundred seventy-three".