706472189361 has 45 divisors (see below), whose sum is σ = 1073633002299. Its totient is φ = 462957865200.

The previous prime is 706472189321. The next prime is 706472189363. The reversal of 706472189361 is 163981274607.

The square root of 706472189361 is 840519.

It is a perfect power (a square), and thus also a powerful number.

706472189361 is a `hidden beast` number, since 7 + 0 + 64 + 7 + 218 + 9 + 361 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22973161761 + 683499027600 = 151569^2 + 826740^2 .

It is not a de Polignac number, because 706472189361 - 2²⁹ = 705935318449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 706472189298 and 706472189307.

It is not an unprimeable number, because it can be changed into a prime (706472189363) 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 in 44 ways as a sum of consecutive naturals, for example, 461444166 + ... + 461445696.

Almost surely, 2^706472189361 is an apocalyptic number.

706472189361 is the 840519-th square number.

706472189361 is the 420260-th centered octagonal number.

It is an amenable number.

706472189361 is a deficient number, since it is larger than the sum of its proper divisors (367160812938).

706472189361 is an frugal number, since it uses more digits than its factorization.

706472189361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 706472189361 in words is "seven hundred six billion, four hundred seventy-two million, one hundred eighty-nine thousand, three hundred sixty-one".