9638763796763 has 2 divisors, whose sum is σ = 9638763796764. Its totient is φ = 9638763796762.

The previous prime is 9638763796759. The next prime is 9638763796771. The reversal of 9638763796763 is 3676973678369.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9638763796763 - 2² = 9638763796759 is a prime.

It is not a weakly prime, because it can be changed into another prime (9638763796723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4819381898381 + 4819381898382.

It is an arithmetic number, because the mean of its divisors is an integer number (4819381898382).

Almost surely, 2^{9638763796763} is an apocalyptic number.

9638763796763 is a deficient number, since it is larger than the sum of its proper divisors (1).

9638763796763 is an equidigital number, since it uses as much as digits as its factorization.

9638763796763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7777461888, while the sum is 80.

The spelling of 9638763796763 in words is "nine trillion, six hundred thirty-eight billion, seven hundred sixty-three million, seven hundred ninety-six thousand, seven hundred sixty-three".