16730001689 has 2 divisors, whose sum is σ = 16730001690. Its totient is φ = 16730001688.

The previous prime is 16730001653. The next prime is 16730001697. The reversal of 16730001689 is 98610003761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9689449225 + 7040552464 = 98435^2 + 83908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16730001689 is a prime.

It is not a weakly prime, because it can be changed into another prime (16730001649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365000844 + 8365000845.

It is an arithmetic number, because the mean of its divisors is an integer number (8365000845).

Almost surely, 2^16730001689 is an apocalyptic number.

It is an amenable number.

16730001689 is a deficient number, since it is larger than the sum of its proper divisors (1).

16730001689 is an equidigital number, since it uses as much as digits as its factorization.

16730001689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 16730001689 in words is "sixteen billion, seven hundred thirty million, one thousand, six hundred eighty-nine".