99809644600241 has 4 divisors (see below), whose sum is σ = 102130799125872. Its totient is φ = 97488490074612.

The previous prime is 99809644600207. The next prime is 99809644600249. The reversal of 99809644600241 is 14200644690899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99809644600241 - 2¹⁸ = 99809644338097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99809644600249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160577262751 + ... + 1160577262836.

It is an arithmetic number, because the mean of its divisors is an integer number (25532699781468).

Almost surely, 2^{99809644600241} is an apocalyptic number.

It is an amenable number.

99809644600241 is a deficient number, since it is larger than the sum of its proper divisors (2321154525631).

99809644600241 is a wasteful number, since it uses less digits than its factorization.

99809644600241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321154525630.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 99809644600241 in words is "ninety-nine trillion, eight hundred nine billion, six hundred forty-four million, six hundred thousand, two hundred forty-one".