12841655399 has 4 divisors (see below), whose sum is σ = 12842469264. Its totient is φ = 12840841536.

The previous prime is 12841655369. The next prime is 12841655429. The reversal of 12841655399 is 99355614821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99355614821 = 1901 ⋅52264921.

It is an interprime number because it is at equal distance from previous prime (12841655369) and next prime (12841655429).

It is a cyclic number.

It is not a de Polignac number, because 12841655399 - 2²⁸ = 12573219943 is a prime.

It is a super-2 number, since 2×12841655399² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12841655399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12841655369) 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, 382787 + ... + 414980.

It is an arithmetic number, because the mean of its divisors is an integer number (3210617316).

Almost surely, 2^12841655399 is an apocalyptic number.

12841655399 is a deficient number, since it is larger than the sum of its proper divisors (813865).

12841655399 is an equidigital number, since it uses as much as digits as its factorization.

12841655399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813864.

The product of its digits is 2332800, while the sum is 53.

The spelling of 12841655399 in words is "twelve billion, eight hundred forty-one million, six hundred fifty-five thousand, three hundred ninety-nine".