10643867099964 has 36 divisors (see below), whose sum is σ = 30748949400624. Its totient is φ = 3041104885632.

The previous prime is 10643867099939. The next prime is 10643867099993. The reversal of 10643867099964 is 46999076834601.

10643867099964 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 386 + 70 + 99 + 96 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10643867099964² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643867099892 and 10643867099901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21118783677 + ... + 21118784180.

Almost surely, 2^{10643867099964} is an apocalyptic number.

10643867099964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10643867099964 is an abundant number, since it is smaller than the sum of its proper divisors (20105082300660).

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

10643867099964 is a wasteful number, since it uses less digits than its factorization.

10643867099964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42237567874 (or 42237567869 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 72.

Adding to 10643867099964 its sum of digits (72), we get a square (10643867100036 = 3262494²).

The spelling of 10643867099964 in words is "ten trillion, six hundred forty-three billion, eight hundred sixty-seven million, ninety-nine thousand, nine hundred sixty-four".