99841491349 has 2 divisors, whose sum is σ = 99841491350. Its totient is φ = 99841491348.

The previous prime is 99841491307. The next prime is 99841491367. The reversal of 99841491349 is 94319414899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99568647025 + 272844324 = 315545^2 + 16518^2 .

It is a cyclic number.

It is not a de Polignac number, because 99841491349 - 2⁷ = 99841491221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99841491389) 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, 49920745674 + 49920745675.

It is an arithmetic number, because the mean of its divisors is an integer number (49920745675).

Almost surely, 2^99841491349 is an apocalyptic number.

It is an amenable number.

99841491349 is a deficient number, since it is larger than the sum of its proper divisors (1).

99841491349 is an equidigital number, since it uses as much as digits as its factorization.

99841491349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 61.

The spelling of 99841491349 in words is "ninety-nine billion, eight hundred forty-one million, four hundred ninety-one thousand, three hundred forty-nine".