766763430443 has 2 divisors, whose sum is σ = 766763430444. Its totient is φ = 766763430442.

The previous prime is 766763430421. The next prime is 766763430481. The reversal of 766763430443 is 344034367667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766763430443 - 2¹⁶ = 766763364907 is a prime.

It is not a weakly prime, because it can be changed into another prime (766763430493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383381715221 + 383381715222.

It is an arithmetic number, because the mean of its divisors is an integer number (383381715222).

Almost surely, 2^766763430443 is an apocalyptic number.

766763430443 is a deficient number, since it is larger than the sum of its proper divisors (1).

766763430443 is an equidigital number, since it uses as much as digits as its factorization.

766763430443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 53.

The spelling of 766763430443 in words is "seven hundred sixty-six billion, seven hundred sixty-three million, four hundred thirty thousand, four hundred forty-three".