16925767049 has 2 divisors, whose sum is σ = 16925767050. Its totient is φ = 16925767048.

The previous prime is 16925767009. The next prime is 16925767121. The reversal of 16925767049 is 94076752961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16611343225 + 314423824 = 128885^2 + 17732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16925767049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16925766985 and 16925767003.

It is not a weakly prime, because it can be changed into another prime (16925767009) 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, 8462883524 + 8462883525.

It is an arithmetic number, because the mean of its divisors is an integer number (8462883525).

Almost surely, 2^16925767049 is an apocalyptic number.

It is an amenable number.

16925767049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16925767049 is an equidigital number, since it uses as much as digits as its factorization.

16925767049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 16925767049 in words is "sixteen billion, nine hundred twenty-five million, seven hundred sixty-seven thousand, forty-nine".