2099397328559 has 4 divisors (see below), whose sum is σ = 2099496279960. Its totient is φ = 2099298377160.

The previous prime is 2099397328547. The next prime is 2099397328577. The reversal of 2099397328559 is 9558237939902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099397328559 - 2¹² = 2099397324463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2099397328492 and 2099397328501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099397328519) 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, 49443869 + ... + 49486310.

It is an arithmetic number, because the mean of its divisors is an integer number (524874069990).

Almost surely, 2^{2099397328559} is an apocalyptic number.

2099397328559 is a deficient number, since it is larger than the sum of its proper divisors (98951401).

2099397328559 is an equidigital number, since it uses as much as digits as its factorization.

2099397328559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98951400.

The product of its (nonzero) digits is 330674400, while the sum is 71.

The spelling of 2099397328559 in words is "two trillion, ninety-nine billion, three hundred ninety-seven million, three hundred twenty-eight thousand, five hundred fifty-nine".