10616205989 has 2 divisors, whose sum is σ = 10616205990. Its totient is φ = 10616205988.

The previous prime is 10616205961. The next prime is 10616205997. The reversal of 10616205989 is 98950261601.

It is a happy number.

10616205989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8549776225 + 2066429764 = 92465^2 + 45458^2 .

It is a cyclic number.

It is not a de Polignac number, because 10616205989 - 2²⁸ = 10347770533 is a prime.

It is a super-2 number, since 2×10616205989² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10616205949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5308102994 + 5308102995.

It is an arithmetic number, because the mean of its divisors is an integer number (5308102995).

Almost surely, 2^10616205989 is an apocalyptic number.

It is an amenable number.

10616205989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10616205989 is an equidigital number, since it uses as much as digits as its factorization.

10616205989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 10616205989 in words is "ten billion, six hundred sixteen million, two hundred five thousand, nine hundred eighty-nine".