12653876376409 has 4 divisors (see below), whose sum is σ = 12776729545216. Its totient is φ = 12531023207604.

The previous prime is 12653876376403. The next prime is 12653876376437. The reversal of 12653876376409 is 90467367835621.

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 12653876376409 - 2⁹ = 12653876375897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12653876376403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61426584249 + ... + 61426584454.

It is an arithmetic number, because the mean of its divisors is an integer number (3194182386304).

It is a 1-persistent number, because it is pandigital, but 2⋅12653876376409 = 25307752752818 is not.

Almost surely, 2^{12653876376409} is an apocalyptic number.

It is an amenable number.

12653876376409 is a deficient number, since it is larger than the sum of its proper divisors (122853168807).

12653876376409 is a wasteful number, since it uses less digits than its factorization.

12653876376409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122853168806.

The product of its (nonzero) digits is 274337280, while the sum is 67.

The spelling of 12653876376409 in words is "twelve trillion, six hundred fifty-three billion, eight hundred seventy-six million, three hundred seventy-six thousand, four hundred nine".