706268403809 has 2 divisors, whose sum is σ = 706268403810. Its totient is φ = 706268403808.

The previous prime is 706268403779. The next prime is 706268403821. The reversal of 706268403809 is 908304862607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577622800225 + 128645603584 = 760015^2 + 358672^2 .

It is a cyclic number.

It is not a de Polignac number, because 706268403809 - 2¹² = 706268399713 is a prime.

It is not a weakly prime, because it can be changed into another prime (706268403829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353134201904 + 353134201905.

It is an arithmetic number, because the mean of its divisors is an integer number (353134201905).

Almost surely, 2^706268403809 is an apocalyptic number.

It is an amenable number.

706268403809 is a deficient number, since it is larger than the sum of its proper divisors (1).

706268403809 is an equidigital number, since it uses as much as digits as its factorization.

706268403809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 706268403809 in words is "seven hundred six billion, two hundred sixty-eight million, four hundred three thousand, eight hundred nine".