16925767009 has 2 divisors, whose sum is σ = 16925767010. Its totient is φ = 16925767008.

The previous prime is 16925766989. The next prime is 16925767049. The reversal of 16925767009 is 90076752961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16104371409 + 821395600 = 126903^2 + 28660^2 .

It is a cyclic number.

It is not a de Polignac number, because 16925767009 - 2⁷ = 16925766881 is a prime.

It is not a weakly prime, because it can be changed into another prime (16925767049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8462883504 + 8462883505.

It is an arithmetic number, because the mean of its divisors is an integer number (8462883505).

Almost surely, 2^16925767009 is an apocalyptic number.

It is an amenable number.

16925767009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16925767009 is an equidigital number, since it uses as much as digits as its factorization.

16925767009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 16925767009 in words is "sixteen billion, nine hundred twenty-five million, seven hundred sixty-seven thousand, nine".