10642633631543 has 4 divisors (see below), whose sum is σ = 10642686749760. Its totient is φ = 10642580513328.

The previous prime is 10642633631537. The next prime is 10642633631549. The reversal of 10642633631543 is 34513633624601.

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

It is an interprime number because it is at equal distance from previous prime (10642633631537) and next prime (10642633631549).

It is a cyclic number.

It is not a de Polignac number, because 10642633631543 - 2²⁸ = 10642365196087 is a prime.

It is a super-2 number, since 2×10642633631543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642633631549) 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, 26257430 + ... + 26659667.

It is an arithmetic number, because the mean of its divisors is an integer number (2660671687440).

Almost surely, 2^{10642633631543} is an apocalyptic number.

10642633631543 is a deficient number, since it is larger than the sum of its proper divisors (53118217).

10642633631543 is an equidigital number, since it uses as much as digits as its factorization.

10642633631543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53118216.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 10642633631543 in words is "ten trillion, six hundred forty-two billion, six hundred thirty-three million, six hundred thirty-one thousand, five hundred forty-three".