10944639805 has 8 divisors (see below), whose sum is σ = 14327528544. Its totient is φ = 7959738000.

The previous prime is 10944639793. The next prime is 10944639821. The reversal of 10944639805 is 50893644901.

It is a happy number.

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

It is not a de Polignac number, because 10944639805 - 2⁵ = 10944639773 is a prime.

It is a super-2 number, since 2×10944639805² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 99496671 + ... + 99496780.

It is an arithmetic number, because the mean of its divisors is an integer number (1790941068).

Almost surely, 2^10944639805 is an apocalyptic number.

It is an amenable number.

10944639805 is a deficient number, since it is larger than the sum of its proper divisors (3382888739).

10944639805 is a wasteful number, since it uses less digits than its factorization.

10944639805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198993467.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 10944639805 in words is "ten billion, nine hundred forty-four million, six hundred thirty-nine thousand, eight hundred five".