16379929 has 2 divisors, whose sum is σ = 16379930. Its totient is φ = 16379928.

The previous prime is 16379927. The next prime is 16379941. The reversal of 16379929 is 92997361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 419904 = 3995^2 + 648^2 .

It is a cyclic number.

It is not a de Polignac number, because 16379929 - 2¹ = 16379927 is a prime.

Together with 16379927, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16379921) by changing a digit.

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 as a sum of consecutive naturals, namely, 8189964 + 8189965.

It is an arithmetic number, because the mean of its divisors is an integer number (8189965).

Almost surely, 2^16379929 is an apocalyptic number.

It is an amenable number.

16379929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16379929 is an equidigital number, since it uses as much as digits as its factorization.

16379929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 16379929 is about 4047.2124975099. The cubic root of 16379929 is about 253.9631304080.

The spelling of 16379929 in words is "sixteen million, three hundred seventy-nine thousand, nine hundred twenty-nine".