10643622252643 has 4 divisors (see below), whose sum is σ = 10654981508920. Its totient is φ = 10632262996368.

The previous prime is 10643622252589. The next prime is 10643622252647. The reversal of 10643622252643 is 34625222634601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10643622252643 is a prime.

It is a super-2 number, since 2×10643622252643² (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 = 10643622252593 and 10643622252602.

It is not an unprimeable number, because it can be changed into a prime (10643622252647) 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, 5679626733 + ... + 5679628606.

It is an arithmetic number, because the mean of its divisors is an integer number (2663745377230).

Almost surely, 2^{10643622252643} is an apocalyptic number.

10643622252643 is a deficient number, since it is larger than the sum of its proper divisors (11359256277).

10643622252643 is an equidigital number, since it uses as much as digits as its factorization.

10643622252643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359256276.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 10643622252643 in words is "ten trillion, six hundred forty-three billion, six hundred twenty-two million, two hundred fifty-two thousand, six hundred forty-three".