944547745449 has 96 divisors (see below), whose sum is σ = 1641494937600. Its totient is φ = 477443769600.

The previous prime is 944547745399. The next prime is 944547745451.

944547745449 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 944547745449 - 2²¹ = 944545648297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 944547745449.

It is not an unprimeable number, because it can be changed into a prime (944547745249) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25373152 + ... + 25410350.

It is an arithmetic number, because the mean of its divisors is an integer number (17098905600).

Almost surely, 2^944547745449 is an apocalyptic number.

It is an amenable number.

944547745449 is a deficient number, since it is larger than the sum of its proper divisors (696947192151).

944547745449 is a wasteful number, since it uses less digits than its factorization.

944547745449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37651 (or 37644 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 66.

The spelling of 944547745449 in words is "nine hundred forty-four billion, five hundred forty-seven million, seven hundred forty-five thousand, four hundred forty-nine".