944644446449 has 4 divisors (see below), whose sum is σ = 1030521214320. Its totient is φ = 858767678580.

The previous prime is 944644446373. The next prime is 944644446461.

It is a happy number.

944644446449 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 944644446449 - 2¹² = 944644442353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 944644446391 and 944644446400.

It is not an unprimeable number, because it can be changed into a prime (944644446049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42938383919 + ... + 42938383940.

It is an arithmetic number, because the mean of its divisors is an integer number (257630303580).

Almost surely, 2^944644446449 is an apocalyptic number.

It is an amenable number.

944644446449 is a deficient number, since it is larger than the sum of its proper divisors (85876767871).

944644446449 is a wasteful number, since it uses less digits than its factorization.

944644446449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85876767870.

The product of its digits is 191102976, while the sum is 62.

The spelling of 944644446449 in words is "nine hundred forty-four billion, six hundred forty-four million, four hundred forty-six thousand, four hundred forty-nine".