12650376569819 has 4 divisors (see below), whose sum is σ = 12707104716096. Its totient is φ = 12593648423544.

The previous prime is 12650376569797. The next prime is 12650376569821. The reversal of 12650376569819 is 91896567305621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12650376569819 is a prime.

It is a super-2 number, since 2×12650376569819² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12650376566819) 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, 28364072804 + ... + 28364073249.

It is an arithmetic number, because the mean of its divisors is an integer number (3176776179024).

Almost surely, 2^{12650376569819} is an apocalyptic number.

12650376569819 is a deficient number, since it is larger than the sum of its proper divisors (56728146277).

12650376569819 is an equidigital number, since it uses as much as digits as its factorization.

12650376569819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56728146276.

The product of its (nonzero) digits is 146966400, while the sum is 68.

The spelling of 12650376569819 in words is "twelve trillion, six hundred fifty billion, three hundred seventy-six million, five hundred sixty-nine thousand, eight hundred nineteen".