128753763863 has 2 divisors, whose sum is σ = 128753763864. Its totient is φ = 128753763862.

The previous prime is 128753763839. The next prime is 128753763871. The reversal of 128753763863 is 368367357821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128753763863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128753763893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64376881931 + 64376881932.

It is an arithmetic number, because the mean of its divisors is an integer number (64376881932).

Almost surely, 2^128753763863 is an apocalyptic number.

128753763863 is a deficient number, since it is larger than the sum of its proper divisors (1).

128753763863 is an equidigital number, since it uses as much as digits as its factorization.

128753763863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 59.

The spelling of 128753763863 in words is "one hundred twenty-eight billion, seven hundred fifty-three million, seven hundred sixty-three thousand, eight hundred sixty-three".