10439664043 has 2 divisors, whose sum is σ = 10439664044. Its totient is φ = 10439664042.

The previous prime is 10439664041. The next prime is 10439664089. The reversal of 10439664043 is 34046693401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10439664043 - 2¹ = 10439664041 is a prime.

Together with 10439664041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10439663987 and 10439664005.

It is not a weakly prime, because it can be changed into another prime (10439664041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219832021 + 5219832022.

It is an arithmetic number, because the mean of its divisors is an integer number (5219832022).

Almost surely, 2^10439664043 is an apocalyptic number.

10439664043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10439664043 is an equidigital number, since it uses as much as digits as its factorization.

10439664043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 10439664043 in words is "ten billion, four hundred thirty-nine million, six hundred sixty-four thousand, forty-three".