706798475321 has 2 divisors, whose sum is σ = 706798475322. Its totient is φ = 706798475320.

The previous prime is 706798475291. The next prime is 706798475333. The reversal of 706798475321 is 123574897607.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661073068096 + 45725407225 = 813064^2 + 213835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706798475321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (706798775321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353399237660 + 353399237661.

It is an arithmetic number, because the mean of its divisors is an integer number (353399237661).

It is a 1-persistent number, because it is pandigital, but 2⋅706798475321 = 1413596950642 is not.

Almost surely, 2^706798475321 is an apocalyptic number.

It is an amenable number.

706798475321 is a deficient number, since it is larger than the sum of its proper divisors (1).

706798475321 is an equidigital number, since it uses as much as digits as its factorization.

706798475321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 706798475321 in words is "seven hundred six billion, seven hundred ninety-eight million, four hundred seventy-five thousand, three hundred twenty-one".