8438473442 has 16 divisors (see below), whose sum is σ = 14609184192. Its totient is φ = 3580681200.

The previous prime is 8438473397. The next prime is 8438473457. The reversal of 8438473442 is 2443748348.

It is a happy number.

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, 2982488 + ... + 2985315.

It is an arithmetic number, because the mean of its divisors is an integer number (913074012).

Almost surely, 2^8438473442 is an apocalyptic number.

8438473442 is a deficient number, since it is larger than the sum of its proper divisors (6170710750).

8438473442 is a wasteful number, since it uses less digits than its factorization.

8438473442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967913.

The product of its digits is 2064384, while the sum is 47.

The square root of 8438473442 is about 91861.1639486459. The cubic root of 8438473442 is about 2035.8915006389.

The spelling of 8438473442 in words is "eight billion, four hundred thirty-eight million, four hundred seventy-three thousand, four hundred forty-two".