108938361052643 has 2 divisors, whose sum is σ = 108938361052644. Its totient is φ = 108938361052642.

The previous prime is 108938361052583. The next prime is 108938361052649. The reversal of 108938361052643 is 346250163839801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108938361052643 - 2¹⁸ = 108938360790499 is a prime.

It is not a weakly prime, because it can be changed into another prime (108938361052649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54469180526321 + 54469180526322.

It is an arithmetic number, because the mean of its divisors is an integer number (54469180526322).

Almost surely, 2^{108938361052643} is an apocalyptic number.

108938361052643 is a deficient number, since it is larger than the sum of its proper divisors (1).

108938361052643 is an equidigital number, since it uses as much as digits as its factorization.

108938361052643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 108938361052643 in words is "one hundred eight trillion, nine hundred thirty-eight billion, three hundred sixty-one million, fifty-two thousand, six hundred forty-three".