10216533989 has 2 divisors, whose sum is σ = 10216533990. Its totient is φ = 10216533988.

The previous prime is 10216533983. The next prime is 10216534001. The reversal of 10216533989 is 98933561201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5616303364 + 4600230625 = 74942^2 + 67825^2 .

It is a cyclic number.

It is not a de Polignac number, because 10216533989 - 2⁴ = 10216533973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10216533983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108266994 + 5108266995.

It is an arithmetic number, because the mean of its divisors is an integer number (5108266995).

Almost surely, 2^10216533989 is an apocalyptic number.

It is an amenable number.

10216533989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10216533989 is an equidigital number, since it uses as much as digits as its factorization.

10216533989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 10216533989 in words is "ten billion, two hundred sixteen million, five hundred thirty-three thousand, nine hundred eighty-nine".