1103784473 has 4 divisors (see below), whose sum is σ = 1204128528. Its totient is φ = 1003440420.

The previous prime is 1103784463. The next prime is 1103784491. The reversal of 1103784473 is 3744873011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3744873011 = 11 ⋅340443001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103784473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103784403) 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 in 3 ways as a sum of consecutive naturals, for example, 50172011 + ... + 50172032.

It is an arithmetic number, because the mean of its divisors is an integer number (301032132).

Almost surely, 2^1103784473 is an apocalyptic number.

It is an amenable number.

1103784473 is a deficient number, since it is larger than the sum of its proper divisors (100344055).

1103784473 is a wasteful number, since it uses less digits than its factorization.

1103784473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100344054.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1103784473 is about 33223.2519931448. The cubic root of 1103784473 is about 1033.4625895774.

The spelling of 1103784473 in words is "one billion, one hundred three million, seven hundred eighty-four thousand, four hundred seventy-three".