10643464589 has 2 divisors, whose sum is σ = 10643464590. Its totient is φ = 10643464588.

The previous prime is 10643464549. The next prime is 10643464621. The reversal of 10643464589 is 98546434601.

10643464589 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., 10390336489 + 253128100 = 101933^2 + 15910^2 .

It is an emirp because it is prime and its reverse (98546434601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10643464589 - 2²⁴ = 10626687373 is a prime.

It is a super-2 number, since 2×10643464589² (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 (10643464549) 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, 5321732294 + 5321732295.

It is an arithmetic number, because the mean of its divisors is an integer number (5321732295).

Almost surely, 2^10643464589 is an apocalyptic number.

It is an amenable number.

10643464589 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643464589 is an equidigital number, since it uses as much as digits as its factorization.

10643464589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 10643464589 in words is "ten billion, six hundred forty-three million, four hundred sixty-four thousand, five hundred eighty-nine".