426467764643 has 2 divisors, whose sum is σ = 426467764644. Its totient is φ = 426467764642.

The previous prime is 426467764609. The next prime is 426467764703. The reversal of 426467764643 is 346467764624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426467764643 - 2¹⁰ = 426467763619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (426467764603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213233882321 + 213233882322.

It is an arithmetic number, because the mean of its divisors is an integer number (213233882322).

Almost surely, 2^426467764643 is an apocalyptic number.

426467764643 is a deficient number, since it is larger than the sum of its proper divisors (1).

426467764643 is an equidigital number, since it uses as much as digits as its factorization.

426467764643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 59.

The spelling of 426467764643 in words is "four hundred twenty-six billion, four hundred sixty-seven million, seven hundred sixty-four thousand, six hundred forty-three".