12395913981697 has 4 divisors (see below), whose sum is σ = 12396012952576. Its totient is φ = 12395815010820.

The previous prime is 12395913981673. The next prime is 12395913981727. The reversal of 12395913981697 is 79618931959321.

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 12395913981697 - 2⁷ = 12395913981569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12395913981617) 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, 49297329 + ... + 49548142.

It is an arithmetic number, because the mean of its divisors is an integer number (3099003238144).

Almost surely, 2^{12395913981697} is an apocalyptic number.

It is an amenable number.

12395913981697 is a deficient number, since it is larger than the sum of its proper divisors (98970879).

12395913981697 is an equidigital number, since it uses as much as digits as its factorization.

12395913981697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98970878.

The product of its digits is 198404640, while the sum is 73.

The spelling of 12395913981697 in words is "twelve trillion, three hundred ninety-five billion, nine hundred thirteen million, nine hundred eighty-one thousand, six hundred ninety-seven".