9904444159 has 2 divisors, whose sum is σ = 9904444160. Its totient is φ = 9904444158.

The previous prime is 9904444073. The next prime is 9904444177. The reversal of 9904444159 is 9514444099.

It is a strong prime.

It is an emirp because it is prime and its reverse (9514444099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9904444159 - 2¹¹ = 9904442111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9904444189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4952222079 + 4952222080.

It is an arithmetic number, because the mean of its divisors is an integer number (4952222080).

Almost surely, 2^9904444159 is an apocalyptic number.

9904444159 is a deficient number, since it is larger than the sum of its proper divisors (1).

9904444159 is an equidigital number, since it uses as much as digits as its factorization.

9904444159 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9904444159 is about 99521.0739441652. The cubic root of 9904444159 is about 2147.5504215537.

The spelling of 9904444159 in words is "nine billion, nine hundred four million, four hundred forty-four thousand, one hundred fifty-nine".