9439443941 has 16 divisors (see below), whose sum is σ = 10184544960. Its totient is φ = 8721820800.

The previous prime is 9439443931. The next prime is 9439443971. The reversal of 9439443941 is 1493449349.

It is a happy number.

It is not a de Polignac number, because 9439443941 - 2⁶ = 9439443877 is a prime.

It is a super-2 number, since 2×9439443941² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9439443941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439443931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91865 + ... + 165281.

It is an arithmetic number, because the mean of its divisors is an integer number (636534060).

Almost surely, 2^9439443941 is an apocalyptic number.

It is an amenable number.

9439443941 is a deficient number, since it is larger than the sum of its proper divisors (745101019).

9439443941 is a wasteful number, since it uses less digits than its factorization.

9439443941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73604.

The product of its digits is 1679616, while the sum is 50.

The square root of 9439443941 is about 97156.8007964445. The cubic root of 9439443941 is about 2113.4021125508.

The spelling of 9439443941 in words is "nine billion, four hundred thirty-nine million, four hundred forty-three thousand, nine hundred forty-one".