6443541027635 has 12 divisors (see below), whose sum is σ = 8213842612848. Its totient is φ = 4851607360896.

The previous prime is 6443541027587. The next prime is 6443541027653. The reversal of 6443541027635 is 5367201453446.

It is not a de Polignac number, because 6443541027635 - 2⁶ = 6443541027571 is a prime.

It is a Duffinian 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 in 11 ways as a sum of consecutive naturals, for example, 2229597527 + ... + 2229600416.

It is an arithmetic number, because the mean of its divisors is an integer number (684486884404).

Almost surely, 2^{6443541027635} is an apocalyptic number.

6443541027635 is a deficient number, since it is larger than the sum of its proper divisors (1770301585213).

6443541027635 is a wasteful number, since it uses less digits than its factorization.

6443541027635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459197982 (or 4459197965 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 6443541027635 in words is "six trillion, four hundred forty-three billion, five hundred forty-one million, twenty-seven thousand, six hundred thirty-five".