944161309 has 16 divisors (see below), whose sum is σ = 1167965568. Its totient is φ = 743222592.

The previous prime is 944161303. The next prime is 944161313. The reversal of 944161309 is 903161449.

It is not a de Polignac number, because 944161309 - 2¹¹ = 944159261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944161303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8407 + ... + 44260.

It is an arithmetic number, because the mean of its divisors is an integer number (72997848).

Almost surely, 2^944161309 is an apocalyptic number.

It is an amenable number.

944161309 is a deficient number, since it is larger than the sum of its proper divisors (223804259).

944161309 is a wasteful number, since it uses less digits than its factorization.

944161309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52884.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 944161309 is about 30727.2079597220. The cubic root of 944161309 is about 981.0294987844.

The spelling of 944161309 in words is "nine hundred forty-four million, one hundred sixty-one thousand, three hundred nine".