944665541 has 4 divisors (see below), whose sum is σ = 994384800. Its totient is φ = 894946284.

The previous prime is 944665531. The next prime is 944665559. The reversal of 944665541 is 145566449.

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 de Polignac number, because none of the positive numbers 2^k-944665541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 944665492 and 944665501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944665531) 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, 24859601 + ... + 24859638.

It is an arithmetic number, because the mean of its divisors is an integer number (248596200).

Almost surely, 2^944665541 is an apocalyptic number.

It is an amenable number.

944665541 is a deficient number, since it is larger than the sum of its proper divisors (49719259).

944665541 is a wasteful number, since it uses less digits than its factorization.

944665541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49719258.

The product of its digits is 518400, while the sum is 44.

The square root of 944665541 is about 30735.4118404163. The cubic root of 944665541 is about 981.2041082247.

The spelling of 944665541 in words is "nine hundred forty-four million, six hundred sixty-five thousand, five hundred forty-one".