9775681063 has 2 divisors, whose sum is σ = 9775681064. Its totient is φ = 9775681062.

The previous prime is 9775681061. The next prime is 9775681133. The reversal of 9775681063 is 3601865779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9775681063 - 2¹ = 9775681061 is a prime.

Together with 9775681061, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9775681063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9775681061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887840531 + 4887840532.

It is an arithmetic number, because the mean of its divisors is an integer number (4887840532).

Almost surely, 2^9775681063 is an apocalyptic number.

9775681063 is a deficient number, since it is larger than the sum of its proper divisors (1).

9775681063 is an equidigital number, since it uses as much as digits as its factorization.

9775681063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 9775681063 is about 98872.0438900704. The cubic root of 9775681063 is about 2138.2033616926.

The spelling of 9775681063 in words is "nine billion, seven hundred seventy-five million, six hundred eighty-one thousand, sixty-three".