10643383749 has 8 divisors (see below), whose sum is σ = 15025953600. Its totient is φ = 6678201536.

The previous prime is 10643383741. The next prime is 10643383753. The reversal of 10643383749 is 94738334601.

10643383749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10643383749 - 2³ = 10643383741 is a prime.

It is a super-2 number, since 2×10643383749² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10643383698 and 10643383707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643383741) 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 7 ways as a sum of consecutive naturals, for example, 104346849 + ... + 104346950.

It is an arithmetic number, because the mean of its divisors is an integer number (1878244200).

Almost surely, 2^10643383749 is an apocalyptic number.

It is an amenable number.

10643383749 is a deficient number, since it is larger than the sum of its proper divisors (4382569851).

10643383749 is a wasteful number, since it uses less digits than its factorization.

10643383749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208693819.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 10643383749 in words is "ten billion, six hundred forty-three million, three hundred eighty-three thousand, seven hundred forty-nine".