706641984401 has 8 divisors (see below), whose sum is σ = 749147956200. Its totient is φ = 664240323328.

The previous prime is 706641984371. The next prime is 706641984439. The reversal of 706641984401 is 104489146607.

It is a Cunningham number, because it is equal to 840620²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 54102760000 + 652539224401 = 232600^2 + 807799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 706641984401 - 2¹⁸ = 706641722257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 706641984401.

It is not an unprimeable number, because it can be changed into a prime (706641984491) 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 7 ways as a sum of consecutive naturals, for example, 26063726 + ... + 26090823.

It is an arithmetic number, because the mean of its divisors is an integer number (93643494525).

Almost surely, 2^706641984401 is an apocalyptic number.

It is an amenable number.

706641984401 is a deficient number, since it is larger than the sum of its proper divisors (42505971799).

706641984401 is a wasteful number, since it uses less digits than its factorization.

706641984401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52155363.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 706641984401 in words is "seven hundred six billion, six hundred forty-one million, nine hundred eighty-four thousand, four hundred one".