63193327513 has 2 divisors, whose sum is σ = 63193327514. Its totient is φ = 63193327512.

The previous prime is 63193327507. The next prime is 63193327559. The reversal of 63193327513 is 31572339136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61047043929 + 2146283584 = 247077^2 + 46328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63193327513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63193327513.

It is not a weakly prime, because it can be changed into another prime (63193327573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31596663756 + 31596663757.

It is an arithmetic number, because the mean of its divisors is an integer number (31596663757).

Almost surely, 2^63193327513 is an apocalyptic number.

It is an amenable number.

63193327513 is a deficient number, since it is larger than the sum of its proper divisors (1).

63193327513 is an equidigital number, since it uses as much as digits as its factorization.

63193327513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 43.

The spelling of 63193327513 in words is "sixty-three billion, one hundred ninety-three million, three hundred twenty-seven thousand, five hundred thirteen".