6380638959 has 8 divisors (see below), whose sum is σ = 8569617840. Its totient is φ = 4222709696.

The previous prime is 6380638921. The next prime is 6380638967. The reversal of 6380638959 is 9598360836.

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 6380638959 - 2⁸ = 6380638703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6380638899 and 6380638908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380638559) 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 7 ways as a sum of consecutive naturals, for example, 7761924 + ... + 7762745.

It is an arithmetic number, because the mean of its divisors is an integer number (1071202230).

Almost surely, 2^6380638959 is an apocalyptic number.

6380638959 is a deficient number, since it is larger than the sum of its proper divisors (2188978881).

6380638959 is a wasteful number, since it uses less digits than its factorization.

6380638959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524809.

The product of its (nonzero) digits is 8398080, while the sum is 57.

The square root of 6380638959 is about 79878.9018389712. The cubic root of 6380638959 is about 1854.7614341937.

The spelling of 6380638959 in words is "six billion, three hundred eighty million, six hundred thirty-eight thousand, nine hundred fifty-nine".