100863622817 has 2 divisors, whose sum is σ = 100863622818. Its totient is φ = 100863622816.

The previous prime is 100863622771. The next prime is 100863622823. The reversal of 100863622817 is 718226368001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90434924176 + 10428698641 = 300724^2 + 102121^2 .

It is an emirp because it is prime and its reverse (718226368001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100863622817 - 2¹⁴ = 100863606433 is a prime.

It is not a weakly prime, because it can be changed into another prime (100863622417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50431811408 + 50431811409.

It is an arithmetic number, because the mean of its divisors is an integer number (50431811409).

Almost surely, 2^100863622817 is an apocalyptic number.

It is an amenable number.

100863622817 is a deficient number, since it is larger than the sum of its proper divisors (1).

100863622817 is an equidigital number, since it uses as much as digits as its factorization.

100863622817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 100863622817 in words is "one hundred billion, eight hundred sixty-three million, six hundred twenty-two thousand, eight hundred seventeen".