6381980573 has 2 divisors, whose sum is σ = 6381980574. Its totient is φ = 6381980572.

The previous prime is 6381980569. The next prime is 6381980593. The reversal of 6381980573 is 3750891836.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6206603524 + 175377049 = 78782^2 + 13243^2 .

It is a cyclic number.

It is not a de Polignac number, because 6381980573 - 2² = 6381980569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6381980503) 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, 3190990286 + 3190990287.

It is an arithmetic number, because the mean of its divisors is an integer number (3190990287).

Almost surely, 2^6381980573 is an apocalyptic number.

It is an amenable number.

6381980573 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381980573 is an equidigital number, since it uses as much as digits as its factorization.

6381980573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 6381980573 is about 79887.2991970563. The cubic root of 6381980573 is about 1854.8914211505.

The spelling of 6381980573 in words is "six billion, three hundred eighty-one million, nine hundred eighty thousand, five hundred seventy-three".