426646377533227 has 2 divisors, whose sum is σ = 426646377533228. Its totient is φ = 426646377533226.

The previous prime is 426646377533191. The next prime is 426646377533291. The reversal of 426646377533227 is 722335773646624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426646377533227 is a prime.

It is not a weakly prime, because it can be changed into another prime (426646377536227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213323188766613 + 213323188766614.

It is an arithmetic number, because the mean of its divisors is an integer number (213323188766614).

Almost surely, 2^{426646377533227} is an apocalyptic number.

426646377533227 is a deficient number, since it is larger than the sum of its proper divisors (1).

426646377533227 is an equidigital number, since it uses as much as digits as its factorization.

426646377533227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280240640, while the sum is 67.

The spelling of 426646377533227 in words is "four hundred twenty-six trillion, six hundred forty-six billion, three hundred seventy-seven million, five hundred thirty-three thousand, two hundred twenty-seven".