109848926791 has 2 divisors, whose sum is σ = 109848926792. Its totient is φ = 109848926790.

The previous prime is 109848926773. The next prime is 109848926813. The reversal of 109848926791 is 197629848901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109848926791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109848926191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54924463395 + 54924463396.

It is an arithmetic number, because the mean of its divisors is an integer number (54924463396).

Almost surely, 2^109848926791 is an apocalyptic number.

109848926791 is a deficient number, since it is larger than the sum of its proper divisors (1).

109848926791 is an equidigital number, since it uses as much as digits as its factorization.

109848926791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 109848926791 in words is "one hundred nine billion, eight hundred forty-eight million, nine hundred twenty-six thousand, seven hundred ninety-one".