63831106793 has 2 divisors, whose sum is σ = 63831106794. Its totient is φ = 63831106792.

The previous prime is 63831106789. The next prime is 63831106817. The reversal of 63831106793 is 39760113836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63707274409 + 123832384 = 252403^2 + 11128^2 .

It is a cyclic number.

It is not a de Polignac number, because 63831106793 - 2² = 63831106789 is a prime.

It is not a weakly prime, because it can be changed into another prime (63831106723) 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, 31915553396 + 31915553397.

It is an arithmetic number, because the mean of its divisors is an integer number (31915553397).

Almost surely, 2^63831106793 is an apocalyptic number.

It is an amenable number.

63831106793 is a deficient number, since it is larger than the sum of its proper divisors (1).

63831106793 is an equidigital number, since it uses as much as digits as its factorization.

63831106793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 63831106793 in words is "sixty-three billion, eight hundred thirty-one million, one hundred six thousand, seven hundred ninety-three".