706642054559 has 16 divisors (see below), whose sum is σ = 829714457088. Its totient is φ = 589112250912.

The previous prime is 706642054487. The next prime is 706642054589. The reversal of 706642054559 is 955450246607.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706642054559 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 706642054559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706642054589) 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 15 ways as a sum of consecutive naturals, for example, 239294 + ... + 1212660.

It is an arithmetic number, because the mean of its divisors is an integer number (51857153568).

Almost surely, 2^706642054559 is an apocalyptic number.

706642054559 is a deficient number, since it is larger than the sum of its proper divisors (123072402529).

706642054559 is a wasteful number, since it uses less digits than its factorization.

706642054559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976214.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 706642054559 in words is "seven hundred six billion, six hundred forty-two million, fifty-four thousand, five hundred fifty-nine".