63140020513 has 2 divisors, whose sum is σ = 63140020514. Its totient is φ = 63140020512.

The previous prime is 63140020511. The next prime is 63140020529. The reversal of 63140020513 is 31502004136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57151117969 + 5988902544 = 239063^2 + 77388^2 .

It is a cyclic number.

It is not a de Polignac number, because 63140020513 - 2¹ = 63140020511 is a prime.

Together with 63140020511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63140020511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570010256 + 31570010257.

It is an arithmetic number, because the mean of its divisors is an integer number (31570010257).

Almost surely, 2^63140020513 is an apocalyptic number.

It is an amenable number.

63140020513 is a deficient number, since it is larger than the sum of its proper divisors (1).

63140020513 is an equidigital number, since it uses as much as digits as its factorization.

63140020513 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 63140020513 its reverse (31502004136), we get a palindrome (94642024649).

The spelling of 63140020513 in words is "sixty-three billion, one hundred forty million, twenty thousand, five hundred thirteen".