944719849089 has 27 divisors (see below), whose sum is σ = 1391055770377. Its totient is φ = 617828879616.

The previous prime is 944719849079. The next prime is 944719849097. The reversal of 944719849089 is 980948917449.

The square root of 944719849089 is 971967.

It is a perfect power (a square), and thus also a powerful number.

944719849089 is a `hidden beast` number, since 9 + 4 + 47 + 1 + 98 + 490 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 72998853489 + 871720995600 = 270183^2 + 933660^2 .

It is not a de Polignac number, because 944719849089 - 2¹⁵ = 944719816321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (944719849079) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 154539697 + ... + 154545809.

Almost surely, 2^944719849089 is an apocalyptic number.

944719849089 is the 971967-th square number.

944719849089 is the 485984-th centered octagonal number.

It is an amenable number.

944719849089 is a deficient number, since it is larger than the sum of its proper divisors (446335921288).

944719849089 is an frugal number, since it uses more digits than its factorization.

944719849089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338 (or 6169 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 944719849089 in words is "nine hundred forty-four billion, seven hundred nineteen million, eight hundred forty-nine thousand, eighty-nine".