8422543695428 has 24 divisors (see below), whose sum is σ = 15092132851488. Its totient is φ = 4110634354176.

The previous prime is 8422543695407. The next prime is 8422543695479. The reversal of 8422543695428 is 8245963452248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15814301 + ... + 16338212.

It is an arithmetic number, because the mean of its divisors is an integer number (628838868812).

Almost surely, 2^{8422543695428} is an apocalyptic number.

It is an amenable number.

8422543695428 is a deficient number, since it is larger than the sum of its proper divisors (6669589156060).

8422543695428 is a wasteful number, since it uses less digits than its factorization.

8422543695428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32154083 (or 32154081 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 62.

The spelling of 8422543695428 in words is "eight trillion, four hundred twenty-two billion, five hundred forty-three million, six hundred ninety-five thousand, four hundred twenty-eight".