10643266602053 has 4 divisors (see below), whose sum is σ = 10644146441100. Its totient is φ = 10642386763008.

The previous prime is 10643266602043. The next prime is 10643266602083. The reversal of 10643266602053 is 35020666234601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 543061403329 + 10100205198724 = 736927^2 + 3178082^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643266602053 - 2³⁴ = 10626086732869 is a prime.

It is a super-2 number, since 2×10643266602053² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10643266601995 and 10643266602013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643266602043) 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, 439901378 + ... + 439925571.

It is an arithmetic number, because the mean of its divisors is an integer number (2661036610275).

Almost surely, 2^{10643266602053} is an apocalyptic number.

It is an amenable number.

10643266602053 is a deficient number, since it is larger than the sum of its proper divisors (879839047).

10643266602053 is an equidigital number, since it uses as much as digits as its factorization.

10643266602053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879839046.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 10643266602053 in words is "ten trillion, six hundred forty-three billion, two hundred sixty-six million, six hundred two thousand, fifty-three".