9413443820 has 24 divisors (see below), whose sum is σ = 21565344528. Its totient is φ = 3423070400.

The previous prime is 9413443817. The next prime is 9413443859. The reversal of 9413443820 is 283443149.

It is a super-2 number, since 2×9413443820² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21393971 + ... + 21394410.

It is an arithmetic number, because the mean of its divisors is an integer number (898556022).

Almost surely, 2^9413443820 is an apocalyptic number.

It is an amenable number.

9413443820 is an abundant number, since it is smaller than the sum of its proper divisors (12151900708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9413443820 is a wasteful number, since it uses less digits than its factorization.

9413443820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42788401 (or 42788399 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 9413443820 is about 97022.9035846691. The cubic root of 9413443820 is about 2111.4599346427.

Adding to 9413443820 its reverse (283443149), we get a palindrome (9696886969).

The spelling of 9413443820 in words is "nine billion, four hundred thirteen million, four hundred forty-three thousand, eight hundred twenty".