10643102402644 has 12 divisors (see below), whose sum is σ = 18625461801268. Its totient is φ = 5321541888000.

The previous prime is 10643102402641. The next prime is 10643102402711. The reversal of 10643102402644 is 44620420134601.

It can be written as a sum of positive squares in 2 ways, for example, as 554411289744 + 10088691112900 = 744588^2 + 3176270^2 .

It is a super-2 number, since 2×10643102402644² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643102402641) 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, 672724 + ... + 4662484.

Almost surely, 2^{10643102402644} is an apocalyptic number.

It is an amenable number.

10643102402644 is a deficient number, since it is larger than the sum of its proper divisors (7982359398624).

10643102402644 is a wasteful number, since it uses less digits than its factorization.

10643102402644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656666 (or 4656664 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 10643102402644 in words is "ten trillion, six hundred forty-three billion, one hundred two million, four hundred two thousand, six hundred forty-four".