944889988449 has 24 divisors (see below), whose sum is σ = 1388102677920. Its totient is φ = 571293775360.

The previous prime is 944889988433. The next prime is 944889988517.

It is a happy number.

944889988449 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 944889988449 - 2⁴ = 944889988433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (944889988409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2954112 + ... + 3258305.

It is an arithmetic number, because the mean of its divisors is an integer number (57837611580).

Almost surely, 2^944889988449 is an apocalyptic number.

It is an amenable number.

944889988449 is a deficient number, since it is larger than the sum of its proper divisors (443212689471).

944889988449 is a wasteful number, since it uses less digits than its factorization.

944889988449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212861 (or 6212850 counting only the distinct ones).

The product of its digits is 6879707136, while the sum is 84.

The spelling of 944889988449 in words is "nine hundred forty-four billion, eight hundred eighty-nine million, nine hundred eighty-eight thousand, four hundred forty-nine".