12841761657 has 8 divisors (see below), whose sum is σ = 17124208576. Its totient is φ = 8560244592.

The previous prime is 12841761641. The next prime is 12841761661. The reversal of 12841761657 is 75616714821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12841761657 - 2⁴ = 12841761641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12841761607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199573 + ... + 255954.

It is an arithmetic number, because the mean of its divisors is an integer number (2140526072).

Almost surely, 2^12841761657 is an apocalyptic number.

It is an amenable number.

12841761657 is a deficient number, since it is larger than the sum of its proper divisors (4282446919).

12841761657 is an equidigital number, since it uses as much as digits as its factorization.

12841761657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464927.

The product of its digits is 564480, while the sum is 48.

The spelling of 12841761657 in words is "twelve billion, eight hundred forty-one million, seven hundred sixty-one thousand, six hundred fifty-seven".