706812039389 has 2 divisors, whose sum is σ = 706812039390. Its totient is φ = 706812039388.

The previous prime is 706812039257. The next prime is 706812039419. The reversal of 706812039389 is 983930218607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549611684164 + 157200355225 = 741358^2 + 396485^2 .

It is a cyclic number.

It is not a de Polignac number, because 706812039389 - 2¹⁶ = 706811973853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706212039389) 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, 353406019694 + 353406019695.

It is an arithmetic number, because the mean of its divisors is an integer number (353406019695).

Almost surely, 2^706812039389 is an apocalyptic number.

It is an amenable number.

706812039389 is a deficient number, since it is larger than the sum of its proper divisors (1).

706812039389 is an equidigital number, since it uses as much as digits as its factorization.

706812039389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 706812039389 in words is "seven hundred six billion, eight hundred twelve million, thirty-nine thousand, three hundred eighty-nine".