1108894643 has 2 divisors, whose sum is σ = 1108894644. Its totient is φ = 1108894642.

The previous prime is 1108894627. The next prime is 1108894711. The reversal of 1108894643 is 3464988011.

It is a weak prime.

It is an emirp because it is prime and its reverse (3464988011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1108894643 - 2⁴ = 1108894627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1108894594 and 1108894603.

It is not a weakly prime, because it can be changed into another prime (1108894603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554447321 + 554447322.

It is an arithmetic number, because the mean of its divisors is an integer number (554447322).

Almost surely, 2^1108894643 is an apocalyptic number.

1108894643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108894643 is an equidigital number, since it uses as much as digits as its factorization.

1108894643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1108894643 is about 33300.0697146417. The cubic root of 1108894643 is about 1035.0550020169.

The spelling of 1108894643 in words is "one billion, one hundred eight million, eight hundred ninety-four thousand, six hundred forty-three".