63673060189 has 2 divisors, whose sum is σ = 63673060190. Its totient is φ = 63673060188.

The previous prime is 63673060181. The next prime is 63673060207. The reversal of 63673060189 is 98106037636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62525002500 + 1148057689 = 250050^2 + 33883^2 .

It is a cyclic number.

It is not a de Polignac number, because 63673060189 - 2³ = 63673060181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63673060181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31836530094 + 31836530095.

It is an arithmetic number, because the mean of its divisors is an integer number (31836530095).

Almost surely, 2^63673060189 is an apocalyptic number.

It is an amenable number.

63673060189 is a deficient number, since it is larger than the sum of its proper divisors (1).

63673060189 is an equidigital number, since it uses as much as digits as its factorization.

63673060189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 63673060189 in words is "sixty-three billion, six hundred seventy-three million, sixty thousand, one hundred eighty-nine".