706271082509 has 2 divisors, whose sum is σ = 706271082510. Its totient is φ = 706271082508.

The previous prime is 706271082469. The next prime is 706271082551. The reversal of 706271082509 is 905280172607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675647832484 + 30623250025 = 821978^2 + 174995^2 .

It is a cyclic number.

It is not a de Polignac number, because 706271082509 - 2¹² = 706271078413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706271082109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353135541254 + 353135541255.

It is an arithmetic number, because the mean of its divisors is an integer number (353135541255).

Almost surely, 2^706271082509 is an apocalyptic number.

It is an amenable number.

706271082509 is a deficient number, since it is larger than the sum of its proper divisors (1).

706271082509 is an equidigital number, since it uses as much as digits as its factorization.

706271082509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 706271082509 in words is "seven hundred six billion, two hundred seventy-one million, eighty-two thousand, five hundred nine".