63010043521 has 2 divisors, whose sum is σ = 63010043522. Its totient is φ = 63010043520.

The previous prime is 63010043491. The next prime is 63010043561. The reversal of 63010043521 is 12534001036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61274071296 + 1735972225 = 247536^2 + 41665^2 .

It is a cyclic number.

It is not a de Polignac number, because 63010043521 - 2⁹ = 63010043009 is a prime.

It is not a weakly prime, because it can be changed into another prime (63010043561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31505021760 + 31505021761.

It is an arithmetic number, because the mean of its divisors is an integer number (31505021761).

Almost surely, 2^63010043521 is an apocalyptic number.

It is an amenable number.

63010043521 is a deficient number, since it is larger than the sum of its proper divisors (1).

63010043521 is an equidigital number, since it uses as much as digits as its factorization.

63010043521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 63010043521 its reverse (12534001036), we get a palindrome (75544044557).

The spelling of 63010043521 in words is "sixty-three billion, ten million, forty-three thousand, five hundred twenty-one".