2099395247041 has 3 divisors (see below), whose sum is σ = 2099396695971. Its totient is φ = 2099393798112.

The previous prime is 2099395247023. The next prime is 2099395247077. The reversal of 2099395247041 is 1407425939902.

It is a happy number.

The square root of 2099395247041 is 1448929.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 584428141441 + 1514967105600 = 764479^2 + 1230840^2 .

It is not a de Polignac number, because 2099395247041 - 2⁷ = 2099395246913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099395247021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 724465 + ... + 2173393.

It is an arithmetic number, because the mean of its divisors is an integer number (699798898657).

Almost surely, 2^{2099395247041} is an apocalyptic number.

2099395247041 is the 1448929-th square number.

2099395247041 is the 724465-th centered octagonal number.

It is an amenable number.

2099395247041 is a deficient number, since it is larger than the sum of its proper divisors (1448930).

2099395247041 is an frugal number, since it uses more digits than its factorization.

2099395247041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897858 (or 1448929 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 2099395247041 in words is "two trillion, ninety-nine billion, three hundred ninety-five million, two hundred forty-seven thousand, forty-one".