16349869673 has 4 divisors (see below), whose sum is σ = 16415008848. Its totient is φ = 16284730500.

The previous prime is 16349869667. The next prime is 16349869691. The reversal of 16349869673 is 37696894361.

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 16349869673 - 2¹⁰ = 16349868649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16349869693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32569211 + ... + 32569712.

It is an arithmetic number, because the mean of its divisors is an integer number (4103752212).

Almost surely, 2^16349869673 is an apocalyptic number.

It is an amenable number.

16349869673 is a deficient number, since it is larger than the sum of its proper divisors (65139175).

16349869673 is an equidigital number, since it uses as much as digits as its factorization.

16349869673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65139174.

The product of its digits is 35271936, while the sum is 62.

The spelling of 16349869673 in words is "sixteen billion, three hundred forty-nine million, eight hundred sixty-nine thousand, six hundred seventy-three".