6325644377 has 8 divisors (see below), whose sum is σ = 6812997576. Its totient is φ = 5838400512.

The previous prime is 6325644373. The next prime is 6325644379. The reversal of 6325644377 is 7734465236.

6325644377 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 62663056 + 6262981321 = 7916^2 + 79139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6325644377 - 2² = 6325644373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6325644373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123833 + ... + 167289.

It is an arithmetic number, because the mean of its divisors is an integer number (851624697).

Almost surely, 2^6325644377 is an apocalyptic number.

It is an amenable number.

6325644377 is a deficient number, since it is larger than the sum of its proper divisors (487353199).

6325644377 is a wasteful number, since it uses less digits than its factorization.

6325644377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54667.

The product of its digits is 2540160, while the sum is 47.

The square root of 6325644377 is about 79533.9196632481. The cubic root of 6325644377 is about 1849.4173355719.

The spelling of 6325644377 in words is "six billion, three hundred twenty-five million, six hundred forty-four thousand, three hundred seventy-seven".