1108673643 has 16 divisors (see below), whose sum is σ = 1842990336. Its totient is φ = 575934240.

The previous prime is 1108673633. The next prime is 1108673651. The reversal of 1108673643 is 3463768011.

It is not a de Polignac number, because 1108673643 - 2⁵ = 1108673611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1108673633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399496 + ... + 2399957.

It is an arithmetic number, because the mean of its divisors is an integer number (115186896).

Almost surely, 2^1108673643 is an apocalyptic number.

1108673643 is a deficient number, since it is larger than the sum of its proper divisors (734316693).

1108673643 is a wasteful number, since it uses less digits than its factorization.

1108673643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799474.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1108673643 is about 33296.7512379211. The cubic root of 1108673643 is about 1034.9862361352.

The spelling of 1108673643 in words is "one billion, one hundred eight million, six hundred seventy-three thousand, six hundred forty-three".