10021616489 has 2 divisors, whose sum is σ = 10021616490. Its totient is φ = 10021616488.

The previous prime is 10021616483. The next prime is 10021616491. The reversal of 10021616489 is 98461612001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5807659264 + 4213957225 = 76208^2 + 64915^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021616489 - 2¹⁶ = 10021550953 is a prime.

Together with 10021616491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10021616483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010808244 + 5010808245.

It is an arithmetic number, because the mean of its divisors is an integer number (5010808245).

Almost surely, 2^10021616489 is an apocalyptic number.

It is an amenable number.

10021616489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021616489 is an equidigital number, since it uses as much as digits as its factorization.

10021616489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 10021616489 in words is "ten billion, twenty-one million, six hundred sixteen thousand, four hundred eighty-nine".