16950849389 has 2 divisors, whose sum is σ = 16950849390. Its totient is φ = 16950849388.

The previous prime is 16950849353. The next prime is 16950849439. The reversal of 16950849389 is 98394805961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11524022500 + 5426826889 = 107350^2 + 73667^2 .

It is a cyclic number.

It is not a de Polignac number, because 16950849389 - 2⁸ = 16950849133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16950849589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8475424694 + 8475424695.

It is an arithmetic number, because the mean of its divisors is an integer number (8475424695).

Almost surely, 2^16950849389 is an apocalyptic number.

It is an amenable number.

16950849389 is a deficient number, since it is larger than the sum of its proper divisors (1).

16950849389 is an equidigital number, since it uses as much as digits as its factorization.

16950849389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 16950849389 in words is "sixteen billion, nine hundred fifty million, eight hundred forty-nine thousand, three hundred eighty-nine".