42726068566267 has 2 divisors, whose sum is σ = 42726068566268. Its totient is φ = 42726068566266.

The previous prime is 42726068566253. The next prime is 42726068566301. The reversal of 42726068566267 is 76266586062724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42726068566267 is a prime.

It is not a weakly prime, because it can be changed into another prime (42726068563267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363034283133 + 21363034283134.

It is an arithmetic number, because the mean of its divisors is an integer number (21363034283134).

Almost surely, 2^{42726068566267} is an apocalyptic number.

42726068566267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42726068566267 is an equidigital number, since it uses as much as digits as its factorization.

42726068566267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 487710720, while the sum is 67.

The spelling of 42726068566267 in words is "forty-two trillion, seven hundred twenty-six billion, sixty-eight million, five hundred sixty-six thousand, two hundred sixty-seven".