428106637267 has 2 divisors, whose sum is σ = 428106637268. Its totient is φ = 428106637266.

The previous prime is 428106637193. The next prime is 428106637271. The reversal of 428106637267 is 762736601824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428106637267 - 2⁷ = 428106637139 is a prime.

It is not a weakly prime, because it can be changed into another prime (428106637297) 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, 214053318633 + 214053318634.

It is an arithmetic number, because the mean of its divisors is an integer number (214053318634).

Almost surely, 2^428106637267 is an apocalyptic number.

428106637267 is a deficient number, since it is larger than the sum of its proper divisors (1).

428106637267 is an equidigital number, since it uses as much as digits as its factorization.

428106637267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 428106637267 in words is "four hundred twenty-eight billion, one hundred six million, six hundred thirty-seven thousand, two hundred sixty-seven".