63747254189 has 2 divisors, whose sum is σ = 63747254190. Its totient is φ = 63747254188.

The previous prime is 63747254173. The next prime is 63747254213. The reversal of 63747254189 is 98145274736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46660320100 + 17086934089 = 216010^2 + 130717^2 .

It is a cyclic number.

It is not a de Polignac number, because 63747254189 - 2⁴ = 63747254173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63747254149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31873627094 + 31873627095.

It is an arithmetic number, because the mean of its divisors is an integer number (31873627095).

Almost surely, 2^63747254189 is an apocalyptic number.

It is an amenable number.

63747254189 is a deficient number, since it is larger than the sum of its proper divisors (1).

63747254189 is an equidigital number, since it uses as much as digits as its factorization.

63747254189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 56.

The spelling of 63747254189 in words is "sixty-three billion, seven hundred forty-seven million, two hundred fifty-four thousand, one hundred eighty-nine".