16409723234 has 8 divisors (see below), whose sum is σ = 24629849820. Its totient is φ = 8199773296.

The previous prime is 16409723227. The next prime is 16409723243. The reversal of 16409723234 is 43232790461.

It can be written as a sum of positive squares in 2 ways, for example, as 15476604025 + 933119209 = 124405^2 + 30547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16409723191 and 16409723200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540129 + ... + 2546580.

Almost surely, 2^16409723234 is an apocalyptic number.

16409723234 is a deficient number, since it is larger than the sum of its proper divisors (8220126586).

16409723234 is a wasteful number, since it uses less digits than its factorization.

16409723234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088324.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 16409723234 in words is "sixteen billion, four hundred nine million, seven hundred twenty-three thousand, two hundred thirty-four".