706444344561 has 16 divisors (see below), whose sum is σ = 953077822848. Its totient is φ = 465404784000.

The previous prime is 706444344559. The next prime is 706444344607. The reversal of 706444344561 is 165443444607.

It is a happy number.

It is not a de Polignac number, because 706444344561 - 2¹ = 706444344559 is a prime.

It is a super-2 number, since 2×706444344561² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 706444344561.

It is not an unprimeable number, because it can be changed into a prime (706444344511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079661 + ... + 2395386.

It is an arithmetic number, because the mean of its divisors is an integer number (59567363928).

Almost surely, 2^706444344561 is an apocalyptic number.

It is an amenable number.

706444344561 is a deficient number, since it is larger than the sum of its proper divisors (246633478287).

706444344561 is a wasteful number, since it uses less digits than its factorization.

706444344561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475672.

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 706444344561 in words is "seven hundred six billion, four hundred forty-four million, three hundred forty-four thousand, five hundred sixty-one".