16328493242849 has 4 divisors (see below), whose sum is σ = 16855218831360. Its totient is φ = 15801767654340.

The previous prime is 16328493242843. The next prime is 16328493242861. The reversal of 16328493242849 is 94824239482361.

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 16328493242849 - 2⁴⁰ = 15228981615073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16328493242843) 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, 263362794209 + ... + 263362794270.

It is an arithmetic number, because the mean of its divisors is an integer number (4213804707840).

Almost surely, 2^{16328493242849} is an apocalyptic number.

It is an amenable number.

16328493242849 is a deficient number, since it is larger than the sum of its proper divisors (526725588511).

16328493242849 is an equidigital number, since it uses as much as digits as its factorization.

16328493242849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526725588510.

The product of its digits is 143327232, while the sum is 65.

The spelling of 16328493242849 in words is "sixteen trillion, three hundred twenty-eight billion, four hundred ninety-three million, two hundred forty-two thousand, eight hundred forty-nine".