10809434646 has 12 divisors (see below), whose sum is σ = 23420441772. Its totient is φ = 3603144876.

The previous prime is 10809434617. The next prime is 10809434651. The reversal of 10809434646 is 64643490801.

It is a super-2 number, since 2×10809434646² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300262056 + ... + 300262091.

It is an arithmetic number, because the mean of its divisors is an integer number (1951703481).

Almost surely, 2^10809434646 is an apocalyptic number.

10809434646 is an abundant number, since it is smaller than the sum of its proper divisors (12611007126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10809434646 is a wasteful number, since it uses less digits than its factorization.

10809434646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600524155 (or 600524152 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 10809434646 in words is "ten billion, eight hundred nine million, four hundred thirty-four thousand, six hundred forty-six".