16309028929 has 4 divisors (see below), whose sum is σ = 16314547284. Its totient is φ = 16303510576.

The previous prime is 16309028927. The next prime is 16309028933. The reversal of 16309028929 is 92982090361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8989884225 + 7319144704 = 94815^2 + 85552^2 .

It is a cyclic number.

It is not a de Polignac number, because 16309028929 - 2¹ = 16309028927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16309028927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754742 + ... + 2760655.

It is an arithmetic number, because the mean of its divisors is an integer number (4078636821).

Almost surely, 2^16309028929 is an apocalyptic number.

It is an amenable number.

16309028929 is a deficient number, since it is larger than the sum of its proper divisors (5518355).

16309028929 is an equidigital number, since it uses as much as digits as its factorization.

16309028929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518354.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 16309028929 in words is "sixteen billion, three hundred nine million, twenty-eight thousand, nine hundred twenty-nine".