63071930893 has 2 divisors, whose sum is σ = 63071930894. Its totient is φ = 63071930892.

The previous prime is 63071930839. The next prime is 63071930921. The reversal of 63071930893 is 39803917036.

63071930893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (63071930839) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58415506249 + 4656424644 = 241693^2 + 68238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63071930893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63071900893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31535965446 + 31535965447.

It is an arithmetic number, because the mean of its divisors is an integer number (31535965447).

Almost surely, 2^63071930893 is an apocalyptic number.

It is an amenable number.

63071930893 is a deficient number, since it is larger than the sum of its proper divisors (1).

63071930893 is an equidigital number, since it uses as much as digits as its factorization.

63071930893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 63071930893 in words is "sixty-three billion, seventy-one million, nine hundred thirty thousand, eight hundred ninety-three".