16725063389 has 2 divisors, whose sum is σ = 16725063390. Its totient is φ = 16725063388.

The previous prime is 16725063379. The next prime is 16725063419. The reversal of 16725063389 is 98336052761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12391474489 + 4333588900 = 111317^2 + 65830^2 .

It is an emirp because it is prime and its reverse (98336052761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16725063389 - 2²⁸ = 16456627933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16725063379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362531694 + 8362531695.

It is an arithmetic number, because the mean of its divisors is an integer number (8362531695).

Almost surely, 2^16725063389 is an apocalyptic number.

It is an amenable number.

16725063389 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725063389 is an equidigital number, since it uses as much as digits as its factorization.

16725063389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 16725063389 in words is "sixteen billion, seven hundred twenty-five million, sixty-three thousand, three hundred eighty-nine".