16725223049 has 2 divisors, whose sum is σ = 16725223050. Its totient is φ = 16725223048.

The previous prime is 16725222971. The next prime is 16725223051. The reversal of 16725223049 is 94032252761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11991783049 + 4733440000 = 109507^2 + 68800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16725223049 is a prime.

Together with 16725223051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16725222997 and 16725223015.

It is not a weakly prime, because it can be changed into another prime (16725223069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362611524 + 8362611525.

It is an arithmetic number, because the mean of its divisors is an integer number (8362611525).

Almost surely, 2^16725223049 is an apocalyptic number.

It is an amenable number.

16725223049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725223049 is an equidigital number, since it uses as much as digits as its factorization.

16725223049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 16725223049 in words is "sixteen billion, seven hundred twenty-five million, two hundred twenty-three thousand, forty-nine".