706430432556 has 18 divisors (see below), whose sum is σ = 1785699149052. Its totient is φ = 235476810840.

The previous prime is 706430432551. The next prime is 706430432569. The reversal of 706430432556 is 655234034607.

706430432556 is a `hidden beast` number, since 7 + 0 + 64 + 3 + 0 + 4 + 32 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (706430432551) 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 5 ways as a sum of consecutive naturals, for example, 9811533750 + ... + 9811533821.

Almost surely, 2^706430432556 is an apocalyptic number.

It is an amenable number.

706430432556 is an abundant number, since it is smaller than the sum of its proper divisors (1079268716496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706430432556 is a wasteful number, since it uses less digits than its factorization.

706430432556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19623067581 (or 19623067576 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 706430432556 in words is "seven hundred six billion, four hundred thirty million, four hundred thirty-two thousand, five hundred fifty-six".