63349308073 has 2 divisors, whose sum is σ = 63349308074. Its totient is φ = 63349308072.

The previous prime is 63349308053. The next prime is 63349308083. The reversal of 63349308073 is 37080394336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60089697424 + 3259610649 = 245132^2 + 57093^2 .

It is a cyclic number.

It is not a de Polignac number, because 63349308073 - 2⁹ = 63349307561 is a prime.

It is not a weakly prime, because it can be changed into another prime (63349308053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31674654036 + 31674654037.

It is an arithmetic number, because the mean of its divisors is an integer number (31674654037).

Almost surely, 2^63349308073 is an apocalyptic number.

It is an amenable number.

63349308073 is a deficient number, since it is larger than the sum of its proper divisors (1).

63349308073 is an equidigital number, since it uses as much as digits as its factorization.

63349308073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 63349308073 in words is "sixty-three billion, three hundred forty-nine million, three hundred eight thousand, seventy-three".