63485973071 has 2 divisors, whose sum is σ = 63485973072. Its totient is φ = 63485973070.

The previous prime is 63485973053. The next prime is 63485973167. The reversal of 63485973071 is 17037958436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63485973071 - 2¹⁴ = 63485956687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63485973371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31742986535 + 31742986536.

It is an arithmetic number, because the mean of its divisors is an integer number (31742986536).

Almost surely, 2^63485973071 is an apocalyptic number.

63485973071 is a deficient number, since it is larger than the sum of its proper divisors (1).

63485973071 is an equidigital number, since it uses as much as digits as its factorization.

63485973071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 63485973071 in words is "sixty-three billion, four hundred eighty-five million, nine hundred seventy-three thousand, seventy-one".