63040543877 has 2 divisors, whose sum is σ = 63040543878. Its totient is φ = 63040543876.

The previous prime is 63040543823. The next prime is 63040543883. The reversal of 63040543877 is 77834504036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50535489601 + 12505054276 = 224801^2 + 111826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63040543877 is a prime.

It is a super-2 number, since 2×63040543877² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63040540877) 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, 31520271938 + 31520271939.

It is an arithmetic number, because the mean of its divisors is an integer number (31520271939).

Almost surely, 2^63040543877 is an apocalyptic number.

It is an amenable number.

63040543877 is a deficient number, since it is larger than the sum of its proper divisors (1).

63040543877 is an equidigital number, since it uses as much as digits as its factorization.

63040543877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 63040543877 in words is "sixty-three billion, forty million, five hundred forty-three thousand, eight hundred seventy-seven".