10643632434206 has 4 divisors (see below), whose sum is σ = 15965448651312. Its totient is φ = 5321816217102.

The previous prime is 10643632434161. The next prime is 10643632434241. The reversal of 10643632434206 is 60243423634601.

It is a happy number.

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

It is a super-2 number, since 2×10643632434206² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660908108550 + ... + 2660908108553.

It is an arithmetic number, because the mean of its divisors is an integer number (3991362162828).

Almost surely, 2^{10643632434206} is an apocalyptic number.

10643632434206 is a deficient number, since it is larger than the sum of its proper divisors (5321816217106).

10643632434206 is an equidigital number, since it uses as much as digits as its factorization.

10643632434206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321816217105.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 10643632434206 in words is "ten trillion, six hundred forty-three billion, six hundred thirty-two million, four hundred thirty-four thousand, two hundred six".