944487784449 has 72 divisors (see below), whose sum is σ = 1541198620416. Its totient is φ = 556544260800.

The previous prime is 944487784411. The next prime is 944487784489.

944487784449 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 944487784449 - 2¹⁹ = 944487260161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (944487784489) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61358544 + ... + 61373934.

Almost surely, 2^944487784449 is an apocalyptic number.

944487784449 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

944487784449 is a deficient number, since it is larger than the sum of its proper divisors (596710835967).

944487784449 is a wasteful number, since it uses less digits than its factorization.

944487784449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16979 (or 16965 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 72.

The spelling of 944487784449 in words is "nine hundred forty-four billion, four hundred eighty-seven million, seven hundred eighty-four thousand, four hundred forty-nine".