63478282801673 has 2 divisors, whose sum is σ = 63478282801674. Its totient is φ = 63478282801672.

The previous prime is 63478282801657. The next prime is 63478282801691. The reversal of 63478282801673 is 37610828287436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48933494581504 + 14544788220169 = 6995248^2 + 3813763^2 .

It is a cyclic number.

It is not a de Polignac number, because 63478282801673 - 2⁴ = 63478282801657 is a prime.

It is not a weakly prime, because it can be changed into another prime (63478272801673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31739141400836 + 31739141400837.

It is an arithmetic number, because the mean of its divisors is an integer number (31739141400837).

Almost surely, 2^{63478282801673} is an apocalyptic number.

It is an amenable number.

63478282801673 is a deficient number, since it is larger than the sum of its proper divisors (1).

63478282801673 is an equidigital number, since it uses as much as digits as its factorization.

63478282801673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130056192, while the sum is 65.

The spelling of 63478282801673 in words is "sixty-three trillion, four hundred seventy-eight billion, two hundred eighty-two million, eight hundred one thousand, six hundred seventy-three".