10643782268 has 24 divisors (see below), whose sum is σ = 21290355072. Its totient is φ = 4561023024.

The previous prime is 10643782231. The next prime is 10643782313. The reversal of 10643782268 is 86228734601.

It is a super-2 number, since 2×10643782268² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243071 + ... + 283497.

It is an arithmetic number, because the mean of its divisors is an integer number (887098128).

Almost surely, 2^10643782268 is an apocalyptic number.

It is an amenable number.

10643782268 is an abundant number, since it is smaller than the sum of its proper divisors (10646572804).

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

10643782268 is a wasteful number, since it uses less digits than its factorization.

10643782268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49841 (or 49839 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 10643782268 in words is "ten billion, six hundred forty-three million, seven hundred eighty-two thousand, two hundred sixty-eight".