100043142120349 has 2 divisors, whose sum is σ = 100043142120350. Its totient is φ = 100043142120348.

The previous prime is 100043142120323. The next prime is 100043142120413. The reversal of 100043142120349 is 943021241340001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69708305722500 + 30334836397849 = 8349150^2 + 5507707^2 .

It is an emirp because it is prime and its reverse (943021241340001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100043142120349 - 2⁷ = 100043142120221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100043142160349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50021571060174 + 50021571060175.

It is an arithmetic number, because the mean of its divisors is an integer number (50021571060175).

Almost surely, 2^{100043142120349} is an apocalyptic number.

It is an amenable number.

100043142120349 is a deficient number, since it is larger than the sum of its proper divisors (1).

100043142120349 is an equidigital number, since it uses as much as digits as its factorization.

100043142120349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 100043142120349 in words is "one hundred trillion, forty-three billion, one hundred forty-two million, one hundred twenty thousand, three hundred forty-nine".