6323397381 has 64 divisors (see below), whose sum is σ = 10823027200. Its totient is φ = 3574222848.

The previous prime is 6323397287. The next prime is 6323397389. The reversal of 6323397381 is 1837933236.

6323397381 is a `hidden beast` number, since 632 + 3 + 3 + 9 + 7 + 3 + 8 + 1 = 666.

6323397381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6323397381 - 2¹⁴ = 6323380997 is a prime.

It is a super-2 number, since 2×6323397381² = 79970708876075318322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6323397389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8352855 + ... + 8353611.

It is an arithmetic number, because the mean of its divisors is an integer number (169109800).

Almost surely, 2^6323397381 is an apocalyptic number.

It is an amenable number.

6323397381 is a deficient number, since it is larger than the sum of its proper divisors (4499629819).

6323397381 is a wasteful number, since it uses less digits than its factorization.

6323397381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1189 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 6323397381 is about 79519.7923852924. The cubic root of 6323397381 is about 1849.1983262368.

The spelling of 6323397381 in words is "six billion, three hundred twenty-three million, three hundred ninety-seven thousand, three hundred eighty-one".