5645042803 has 4 divisors (see below), whose sum is σ = 5694999048. Its totient is φ = 5595086560.

The previous prime is 5645042791. The next prime is 5645042833. The reversal of 5645042803 is 3082405465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5645042803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645042833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24977953 + ... + 24978178.

It is an arithmetic number, because the mean of its divisors is an integer number (1423749762).

Almost surely, 2^5645042803 is an apocalyptic number.

5645042803 is a deficient number, since it is larger than the sum of its proper divisors (49956245).

5645042803 is a wasteful number, since it uses less digits than its factorization.

5645042803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49956244.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 5645042803 is about 75133.4998718947. The cubic root of 5645042803 is about 1780.5564479843.

The spelling of 5645042803 in words is "five billion, six hundred forty-five million, forty-two thousand, eight hundred three".