16730858909 has 2 divisors, whose sum is σ = 16730858910. Its totient is φ = 16730858908.

The previous prime is 16730858897. The next prime is 16730858923. The reversal of 16730858909 is 90985803761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9181855684 + 7549003225 = 95822^2 + 86885^2 .

It is a cyclic number.

It is not a de Polignac number, because 16730858909 - 2²⁴ = 16714081693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16730851909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365429454 + 8365429455.

It is an arithmetic number, because the mean of its divisors is an integer number (8365429455).

Almost surely, 2^16730858909 is an apocalyptic number.

It is an amenable number.

16730858909 is a deficient number, since it is larger than the sum of its proper divisors (1).

16730858909 is an equidigital number, since it uses as much as digits as its factorization.

16730858909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 16730858909 in words is "sixteen billion, seven hundred thirty million, eight hundred fifty-eight thousand, nine hundred nine".