6378472651 has 2 divisors, whose sum is σ = 6378472652. Its totient is φ = 6378472650.

The previous prime is 6378472643. The next prime is 6378472669. The reversal of 6378472651 is 1562748736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6378472651 - 2³ = 6378472643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6378472595 and 6378472604.

It is not a weakly prime, because it can be changed into another prime (6378478651) 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 as a sum of consecutive naturals, namely, 3189236325 + 3189236326.

It is an arithmetic number, because the mean of its divisors is an integer number (3189236326).

Almost surely, 2^6378472651 is an apocalyptic number.

6378472651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6378472651 is an equidigital number, since it uses as much as digits as its factorization.

6378472651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 6378472651 is about 79865.3407367677. The cubic root of 6378472651 is about 1854.5515054095.

The spelling of 6378472651 in words is "six billion, three hundred seventy-eight million, four hundred seventy-two thousand, six hundred fifty-one".