10439664089 has 2 divisors, whose sum is σ = 10439664090. Its totient is φ = 10439664088.

The previous prime is 10439664043. The next prime is 10439664101. The reversal of 10439664089 is 98046693401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9999000025 + 440664064 = 99995^2 + 20992^2 .

It is a cyclic number.

It is not a de Polignac number, because 10439664089 - 2²⁰ = 10438615513 is a prime.

It is not a weakly prime, because it can be changed into another prime (10439664689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219832044 + 5219832045.

It is an arithmetic number, because the mean of its divisors is an integer number (5219832045).

Almost surely, 2^10439664089 is an apocalyptic number.

It is an amenable number.

10439664089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10439664089 is an equidigital number, since it uses as much as digits as its factorization.

10439664089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 10439664089 in words is "ten billion, four hundred thirty-nine million, six hundred sixty-four thousand, eighty-nine".