16272995309 has 4 divisors (see below), whose sum is σ = 16515875904. Its totient is φ = 16030114716.

The previous prime is 16272995273. The next prime is 16272995317. The reversal of 16272995309 is 90359927261.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90359927261 = 6719 ⋅13448419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16272995309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16272995339) 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, 121440197 + ... + 121440330.

It is an arithmetic number, because the mean of its divisors is an integer number (4128968976).

Almost surely, 2^16272995309 is an apocalyptic number.

It is an amenable number.

16272995309 is a deficient number, since it is larger than the sum of its proper divisors (242880595).

16272995309 is an equidigital number, since it uses as much as digits as its factorization.

16272995309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242880594.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 16272995309 in words is "sixteen billion, two hundred seventy-two million, nine hundred ninety-five thousand, three hundred nine".