16309316929 has 2 divisors, whose sum is σ = 16309316930. Its totient is φ = 16309316928.

The previous prime is 16309316927. The next prime is 16309317001. The reversal of 16309316929 is 92961390361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13610722225 + 2698594704 = 116665^2 + 51948^2 .

It is a cyclic number.

It is not a de Polignac number, because 16309316929 - 2¹ = 16309316927 is a prime.

Together with 16309316927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16309316923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8154658464 + 8154658465.

It is an arithmetic number, because the mean of its divisors is an integer number (8154658465).

Almost surely, 2^16309316929 is an apocalyptic number.

It is an amenable number.

16309316929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16309316929 is an equidigital number, since it uses as much as digits as its factorization.

16309316929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472392, while the sum is 49.

The spelling of 16309316929 in words is "sixteen billion, three hundred nine million, three hundred sixteen thousand, nine hundred twenty-nine".