706070665109 has 2 divisors, whose sum is σ = 706070665110. Its totient is φ = 706070665108.

The previous prime is 706070665063. The next prime is 706070665117. The reversal of 706070665109 is 901566070607.

It is a happy number.

706070665109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600435914884 + 105634750225 = 774878^2 + 325015^2 .

It is a cyclic number.

It is not a de Polignac number, because 706070665109 - 2¹² = 706070661013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706070665609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353035332554 + 353035332555.

It is an arithmetic number, because the mean of its divisors is an integer number (353035332555).

Almost surely, 2^706070665109 is an apocalyptic number.

It is an amenable number.

706070665109 is a deficient number, since it is larger than the sum of its proper divisors (1).

706070665109 is an equidigital number, since it uses as much as digits as its factorization.

706070665109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 706070665109 in words is "seven hundred six billion, seventy million, six hundred sixty-five thousand, one hundred nine".