1016929009 has 2 divisors, whose sum is σ = 1016929010. Its totient is φ = 1016929008.

The previous prime is 1016929007. The next prime is 1016929021. The reversal of 1016929009 is 9009296101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580954609 + 435974400 = 24103^2 + 20880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016929009 - 2¹ = 1016929007 is a prime.

Together with 1016929007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1016929003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508464504 + 508464505.

It is an arithmetic number, because the mean of its divisors is an integer number (508464505).

Almost surely, 2^1016929009 is an apocalyptic number.

It is an amenable number.

1016929009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016929009 is an equidigital number, since it uses as much as digits as its factorization.

1016929009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 1016929009 is about 31889.3243735266. The cubic root of 1016929009 is about 1005.6114556666.

The spelling of 1016929009 in words is "one billion, sixteen million, nine hundred twenty-nine thousand, nine".