9444839081 has 8 divisors (see below), whose sum is σ = 9656759424. Its totient is φ = 9233375760.

The previous prime is 9444839051. The next prime is 9444839119. The reversal of 9444839081 is 1809384449.

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 9444839081 - 2¹⁰ = 9444838057 is a prime.

It is a super-2 number, since 2×9444839081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9444839021) 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, 72290 + ... + 155291.

It is an arithmetic number, because the mean of its divisors is an integer number (1207094928).

Almost surely, 2^9444839081 is an apocalyptic number.

It is an amenable number.

9444839081 is a deficient number, since it is larger than the sum of its proper divisors (211920343).

9444839081 is a wasteful number, since it uses less digits than its factorization.

9444839081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228511.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 9444839081 is about 97184.5619478732. The cubic root of 9444839081 is about 2113.8046761175.

The spelling of 9444839081 in words is "nine billion, four hundred forty-four million, eight hundred thirty-nine thousand, eighty-one".