108901086854429 has 2 divisors, whose sum is σ = 108901086854430. Its totient is φ = 108901086854428.

The previous prime is 108901086854423. The next prime is 108901086854453. The reversal of 108901086854429 is 924458680109801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84531511586404 + 24369575268025 = 9194102^2 + 4936555^2 .

It is a cyclic number.

It is not a de Polignac number, because 108901086854429 - 2¹² = 108901086850333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108901086854423) 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, 54450543427214 + 54450543427215.

It is an arithmetic number, because the mean of its divisors is an integer number (54450543427215).

Almost surely, 2^{108901086854429} is an apocalyptic number.

It is an amenable number.

108901086854429 is a deficient number, since it is larger than the sum of its proper divisors (1).

108901086854429 is an equidigital number, since it uses as much as digits as its factorization.

108901086854429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39813120, while the sum is 65.

The spelling of 108901086854429 in words is "one hundred eight trillion, nine hundred one billion, eighty-six million, eight hundred fifty-four thousand, four hundred twenty-nine".