16704577249 has 2 divisors, whose sum is σ = 16704577250. Its totient is φ = 16704577248.

The previous prime is 16704577207. The next prime is 16704577271. The reversal of 16704577249 is 94277540761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16684372224 + 20205025 = 129168^2 + 4495^2 .

It is an emirp because it is prime and its reverse (94277540761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16704577249 - 2⁷ = 16704577121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16704577196 and 16704577205.

It is not a weakly prime, because it can be changed into another prime (16704577049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8352288624 + 8352288625.

It is an arithmetic number, because the mean of its divisors is an integer number (8352288625).

Almost surely, 2^16704577249 is an apocalyptic number.

It is an amenable number.

16704577249 is a deficient number, since it is larger than the sum of its proper divisors (1).

16704577249 is an equidigital number, since it uses as much as digits as its factorization.

16704577249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 16704577249 in words is "sixteen billion, seven hundred four million, five hundred seventy-seven thousand, two hundred forty-nine".