844006206463 has 8 divisors (see below), whose sum is σ = 964621948928. Its totient is φ = 723401320824.

The previous prime is 844006206457. The next prime is 844006206473. The reversal of 844006206463 is 364602600448.

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

It is a de Polignac number, because none of the positive numbers 2^k-844006206463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844006206443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546931 + ... + 2859172.

It is an arithmetic number, because the mean of its divisors is an integer number (120577743616).

Almost surely, 2^844006206463 is an apocalyptic number.

844006206463 is a deficient number, since it is larger than the sum of its proper divisors (120615742465).

844006206463 is a wasteful number, since it uses less digits than its factorization.

844006206463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428413.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 844006206463 in words is "eight hundred forty-four billion, six million, two hundred six thousand, four hundred sixty-three".