10643867099963 has 4 divisors (see below), whose sum is σ = 11204070631560. Its totient is φ = 10083663568368.

The previous prime is 10643867099939. The next prime is 10643867099993. The reversal of 10643867099963 is 36999076834601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10643867099963 - 2¹⁸ = 10643866837819 is a prime.

It is a super-2 number, since 2×10643867099963² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10643867099933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280101765770 + ... + 280101765807.

It is an arithmetic number, because the mean of its divisors is an integer number (2801017657890).

Almost surely, 2^{10643867099963} is an apocalyptic number.

10643867099963 is a deficient number, since it is larger than the sum of its proper divisors (560203531597).

10643867099963 is an equidigital number, since it uses as much as digits as its factorization.

10643867099963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560203531596.

The product of its (nonzero) digits is 317447424, while the sum is 71.

The spelling of 10643867099963 in words is "ten trillion, six hundred forty-three billion, eight hundred sixty-seven million, ninety-nine thousand, nine hundred sixty-three".