706478570689 has 2 divisors, whose sum is σ = 706478570690. Its totient is φ = 706478570688.

The previous prime is 706478570671. The next prime is 706478570761. The reversal of 706478570689 is 986075874607.

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., 706272160000 + 206410689 = 840400^2 + 14367^2 .

It is an emirp because it is prime and its reverse (986075874607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706478570689 - 2⁷ = 706478570561 is a prime.

It is a super-2 number, since 2×706478570689² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (706478570659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353239285344 + 353239285345.

It is an arithmetic number, because the mean of its divisors is an integer number (353239285345).

Almost surely, 2^706478570689 is an apocalyptic number.

It is an amenable number.

706478570689 is a deficient number, since it is larger than the sum of its proper divisors (1).

706478570689 is an equidigital number, since it uses as much as digits as its factorization.

706478570689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142248960, while the sum is 67.

The spelling of 706478570689 in words is "seven hundred six billion, four hundred seventy-eight million, five hundred seventy thousand, six hundred eighty-nine".