128563763659 has 2 divisors, whose sum is σ = 128563763660. Its totient is φ = 128563763658.

The previous prime is 128563763579. The next prime is 128563763677. The reversal of 128563763659 is 956367365821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128563763659 - 2²³ = 128555375051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128563763597 and 128563763606.

It is not a weakly prime, because it can be changed into another prime (128563763459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64281881829 + 64281881830.

It is an arithmetic number, because the mean of its divisors is an integer number (64281881830).

Almost surely, 2^128563763659 is an apocalyptic number.

128563763659 is a deficient number, since it is larger than the sum of its proper divisors (1).

128563763659 is an equidigital number, since it uses as much as digits as its factorization.

128563763659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 61.

The spelling of 128563763659 in words is "one hundred twenty-eight billion, five hundred sixty-three million, seven hundred sixty-three thousand, six hundred fifty-nine".