9433139780 has 48 divisors (see below), whose sum is σ = 20338743600. Its totient is φ = 3672883200.

The previous prime is 9433139767. The next prime is 9433139797. The reversal of 9433139780 is 879313349.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1946044996 + 7487094784 = 44114^2 + 86528^2 .

It is a super-2 number, since 2×9433139780² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355370 + ... + 380990.

It is an arithmetic number, because the mean of its divisors is an integer number (423723825).

Almost surely, 2^9433139780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9433139780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10169371800).

9433139780 is an abundant number, since it is smaller than the sum of its proper divisors (10905603820).

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

9433139780 is a wasteful number, since it uses less digits than its factorization.

9433139780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26120 (or 26118 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 9433139780 is about 97124.3521471315. The cubic root of 9433139780 is about 2112.9315271242.

The spelling of 9433139780 in words is "nine billion, four hundred thirty-three million, one hundred thirty-nine thousand, seven hundred eighty".