8193900380 has 48 divisors (see below), whose sum is σ = 18341769600. Its totient is φ = 3064040448.

The previous prime is 8193900373. The next prime is 8193900401. The reversal of 8193900380 is 830093918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30212 + ... + 131531.

It is an arithmetic number, because the mean of its divisors is an integer number (382120200).

Almost surely, 2^8193900380 is an apocalyptic number.

It is an amenable number.

8193900380 is an abundant number, since it is smaller than the sum of its proper divisors (10147869220).

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

8193900380 is a wasteful number, since it uses less digits than its factorization.

8193900380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161918 (or 161916 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 8193900380 is about 90520.1655986112. The cubic root of 8193900380 is about 2016.0295485586.

The spelling of 8193900380 in words is "eight billion, one hundred ninety-three million, nine hundred thousand, three hundred eighty".