766834924249 has 2 divisors, whose sum is σ = 766834924250. Its totient is φ = 766834924248.

The previous prime is 766834924243. The next prime is 766834924277. The reversal of 766834924249 is 942429438667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478251084249 + 288583840000 = 691557^2 + 537200^2 .

It is a cyclic number.

It is not a de Polignac number, because 766834924249 - 2³ = 766834924241 is a prime.

It is not a weakly prime, because it can be changed into another prime (766834924241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383417462124 + 383417462125.

It is an arithmetic number, because the mean of its divisors is an integer number (383417462125).

Almost surely, 2^766834924249 is an apocalyptic number.

It is an amenable number.

766834924249 is a deficient number, since it is larger than the sum of its proper divisors (1).

766834924249 is an equidigital number, since it uses as much as digits as its factorization.

766834924249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 64.

The spelling of 766834924249 in words is "seven hundred sixty-six billion, eight hundred thirty-four million, nine hundred twenty-four thousand, two hundred forty-nine".