63855328741 has 2 divisors, whose sum is σ = 63855328742. Its totient is φ = 63855328740.

The previous prime is 63855328727. The next prime is 63855328783. The reversal of 63855328741 is 14782355836.

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., 63166266241 + 689062500 = 251329^2 + 26250^2 .

It is a cyclic number.

It is not a de Polignac number, because 63855328741 - 2¹³ = 63855320549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63855328841) 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, 31927664370 + 31927664371.

It is an arithmetic number, because the mean of its divisors is an integer number (31927664371).

Almost surely, 2^63855328741 is an apocalyptic number.

It is an amenable number.

63855328741 is a deficient number, since it is larger than the sum of its proper divisors (1).

63855328741 is an equidigital number, since it uses as much as digits as its factorization.

63855328741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 52.

The spelling of 63855328741 in words is "sixty-three billion, eight hundred fifty-five million, three hundred twenty-eight thousand, seven hundred forty-one".