706891002869 has 2 divisors, whose sum is σ = 706891002870. Its totient is φ = 706891002868.

The previous prime is 706891002859. The next prime is 706891002889. The reversal of 706891002869 is 968200198607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508119480625 + 198771522244 = 712825^2 + 445838^2 .

It is a cyclic number.

It is not a de Polignac number, because 706891002869 - 2³² = 702596035573 is a prime.

It is a super-2 number, since 2×706891002869² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706891002859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353445501434 + 353445501435.

It is an arithmetic number, because the mean of its divisors is an integer number (353445501435).

Almost surely, 2^706891002869 is an apocalyptic number.

It is an amenable number.

706891002869 is a deficient number, since it is larger than the sum of its proper divisors (1).

706891002869 is an equidigital number, since it uses as much as digits as its factorization.

706891002869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 706891002869 in words is "seven hundred six billion, eight hundred ninety-one million, two thousand, eight hundred sixty-nine".