63717771113 has 2 divisors, whose sum is σ = 63717771114. Its totient is φ = 63717771112.

The previous prime is 63717771107. The next prime is 63717771149. The reversal of 63717771113 is 31117771736.

63717771113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48323909929 + 15393861184 = 219827^2 + 124072^2 .

It is a cyclic number.

It is not a de Polignac number, because 63717771113 - 2¹⁴ = 63717754729 is a prime.

It is not a weakly prime, because it can be changed into another prime (63717771913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31858885556 + 31858885557.

It is an arithmetic number, because the mean of its divisors is an integer number (31858885557).

Almost surely, 2^63717771113 is an apocalyptic number.

It is an amenable number.

63717771113 is a deficient number, since it is larger than the sum of its proper divisors (1).

63717771113 is an equidigital number, since it uses as much as digits as its factorization.

63717771113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129654, while the sum is 44.

The spelling of 63717771113 in words is "sixty-three billion, seven hundred seventeen million, seven hundred seventy-one thousand, one hundred thirteen".