9444789148 has 24 divisors (see below), whose sum is σ = 16893072000. Its totient is φ = 4619002608.

The previous prime is 9444789143. The next prime is 9444789169. The reversal of 9444789148 is 8419874449.

It is a happy number.

It is a super-4 number, since 4×9444789148⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9444789092 and 9444789101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9444789143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53590 + ... + 147517.

It is an arithmetic number, because the mean of its divisors is an integer number (703878000).

Almost surely, 2^9444789148 is an apocalyptic number.

It is an amenable number.

9444789148 is a deficient number, since it is larger than the sum of its proper divisors (7448282852).

9444789148 is a wasteful number, since it uses less digits than its factorization.

9444789148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201369 (or 201367 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The square root of 9444789148 is about 97184.3050497353. The cubic root of 9444789148 is about 2113.8009510216.

The spelling of 9444789148 in words is "nine billion, four hundred forty-four million, seven hundred eighty-nine thousand, one hundred forty-eight".