16439428795 has 8 divisors (see below), whose sum is σ = 20407566960. Its totient is φ = 12698041440.

The previous prime is 16439428777. The next prime is 16439428883. The reversal of 16439428795 is 59782493461.

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

It is not a de Polignac number, because 16439428795 - 2¹⁹ = 16438904507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56687541 + ... + 56687830.

It is an arithmetic number, because the mean of its divisors is an integer number (2550945870).

Almost surely, 2^16439428795 is an apocalyptic number.

16439428795 is a deficient number, since it is larger than the sum of its proper divisors (3968138165).

16439428795 is a wasteful number, since it uses less digits than its factorization.

16439428795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113375405.

The product of its digits is 13063680, while the sum is 58.

The spelling of 16439428795 in words is "sixteen billion, four hundred thirty-nine million, four hundred twenty-eight thousand, seven hundred ninety-five".