6676502226421 has 2 divisors, whose sum is σ = 6676502226422. Its totient is φ = 6676502226420.

The previous prime is 6676502226239. The next prime is 6676502226509. The reversal of 6676502226421 is 1246222056766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4201622645796 + 2474879580625 = 2049786^2 + 1573175^2 .

It is a cyclic number.

It is not a de Polignac number, because 6676502226421 - 2¹⁹ = 6676501702133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6676502223421) 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 as a sum of consecutive naturals, namely, 3338251113210 + 3338251113211.

It is an arithmetic number, because the mean of its divisors is an integer number (3338251113211).

Almost surely, 2^{6676502226421} is an apocalyptic number.

It is an amenable number.

6676502226421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6676502226421 is an equidigital number, since it uses as much as digits as its factorization.

6676502226421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 6676502226421 in words is "six trillion, six hundred seventy-six billion, five hundred two million, two hundred twenty-six thousand, four hundred twenty-one".