109812714828491 has 2 divisors, whose sum is σ = 109812714828492. Its totient is φ = 109812714828490.

The previous prime is 109812714828473. The next prime is 109812714828511. The reversal of 109812714828491 is 194828417218901.

It is a weak prime.

It is an emirp because it is prime and its reverse (194828417218901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109812714828491 - 2²⁶ = 109812647719627 is a prime.

It is not a weakly prime, because it can be changed into another prime (109812714828991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54906357414245 + 54906357414246.

It is an arithmetic number, because the mean of its divisors is an integer number (54906357414246).

Almost surely, 2^{109812714828491} is an apocalyptic number.

109812714828491 is a deficient number, since it is larger than the sum of its proper divisors (1).

109812714828491 is an equidigital number, since it uses as much as digits as its factorization.

109812714828491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 65.

The spelling of 109812714828491 in words is "one hundred nine trillion, eight hundred twelve billion, seven hundred fourteen million, eight hundred twenty-eight thousand, four hundred ninety-one".