10505646433 has 4 divisors (see below), whose sum is σ = 10544412928. Its totient is φ = 10466879940.

The previous prime is 10505646427. The next prime is 10505646457. The reversal of 10505646433 is 33464650501.

10505646433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10505646433 is a prime.

It is a super-2 number, since 2×10505646433² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10505646392 and 10505646401.

It is not an unprimeable number, because it can be changed into a prime (10505646413) 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 in 3 ways as a sum of consecutive naturals, for example, 19382841 + ... + 19383382.

It is an arithmetic number, because the mean of its divisors is an integer number (2636103232).

Almost surely, 2^10505646433 is an apocalyptic number.

It is an amenable number.

10505646433 is a deficient number, since it is larger than the sum of its proper divisors (38766495).

10505646433 is an equidigital number, since it uses as much as digits as its factorization.

10505646433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38766494.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 10505646433 in words is "ten billion, five hundred five million, six hundred forty-six thousand, four hundred thirty-three".