12650376566819 has 2 divisors, whose sum is σ = 12650376566820. Its totient is φ = 12650376566818.

The previous prime is 12650376566771. The next prime is 12650376566851. The reversal of 12650376566819 is 91866567305621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12650376566819 is a prime.

It is a super-2 number, since 2×12650376566819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12650376566519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325188283409 + 6325188283410.

It is an arithmetic number, because the mean of its divisors is an integer number (6325188283410).

Almost surely, 2^{12650376566819} is an apocalyptic number.

12650376566819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650376566819 is an equidigital number, since it uses as much as digits as its factorization.

12650376566819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 12650376566819 in words is "twelve trillion, six hundred fifty billion, three hundred seventy-six million, five hundred sixty-six thousand, eight hundred nineteen".