268074947563 has 2 divisors, whose sum is σ = 268074947564. Its totient is φ = 268074947562.

The previous prime is 268074947519. The next prime is 268074947641. The reversal of 268074947563 is 365749470862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268074947563 - 2¹³ = 268074939371 is a prime.

It is not a weakly prime, because it can be changed into another prime (268074947863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134037473781 + 134037473782.

It is an arithmetic number, because the mean of its divisors is an integer number (134037473782).

Almost surely, 2^268074947563 is an apocalyptic number.

268074947563 is a deficient number, since it is larger than the sum of its proper divisors (1).

268074947563 is an equidigital number, since it uses as much as digits as its factorization.

268074947563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 268074947563 in words is "two hundred sixty-eight billion, seventy-four million, nine hundred forty-seven thousand, five hundred sixty-three".