6323379561 has 16 divisors (see below), whose sum is σ = 9430848000. Its totient is φ = 4187291184.

The previous prime is 6323379553. The next prime is 6323379589. The reversal of 6323379561 is 1659733236.

6323379561 is a `hidden beast` number, since 63 + 23 + 3 + 7 + 9 + 561 = 666.

It is not a de Polignac number, because 6323379561 - 2³ = 6323379553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6323379511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781881 + ... + 789926.

It is an arithmetic number, because the mean of its divisors is an integer number (589428000).

Almost surely, 2^6323379561 is an apocalyptic number.

It is an amenable number.

6323379561 is a deficient number, since it is larger than the sum of its proper divisors (3107468439).

6323379561 is a wasteful number, since it uses less digits than its factorization.

6323379561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571965 (or 1571959 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 6323379561 is about 79519.6803376372. The cubic root of 6323379561 is about 1849.1965891566.

The spelling of 6323379561 in words is "six billion, three hundred twenty-three million, three hundred seventy-nine thousand, five hundred sixty-one".