2099660141 has 4 divisors (see below), whose sum is σ = 2099871900. Its totient is φ = 2099448384.

The previous prime is 2099660131. The next prime is 2099660149. The reversal of 2099660141 is 1410669902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2076716041 + 22944100 = 45571^2 + 4790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2099660141 - 2¹⁸ = 2099397997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2099660095 and 2099660104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099660149) 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 in 3 ways as a sum of consecutive naturals, for example, 90236 + ... + 111093.

It is an arithmetic number, because the mean of its divisors is an integer number (524967975).

Almost surely, 2^2099660141 is an apocalyptic number.

It is an amenable number.

2099660141 is a deficient number, since it is larger than the sum of its proper divisors (211759).

2099660141 is a wasteful number, since it uses less digits than its factorization.

2099660141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211758.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 2099660141 is about 45822.0486338182. The cubic root of 2099660141 is about 1280.5100792995.

The spelling of 2099660141 in words is "two billion, ninety-nine million, six hundred sixty thousand, one hundred forty-one".