5645842419 has 32 divisors (see below), whose sum is σ = 9348136960. Its totient is φ = 2957796000.

The previous prime is 5645842403. The next prime is 5645842441. The reversal of 5645842419 is 9142485465.

It is not a de Polignac number, because 5645842419 - 2⁴ = 5645842403 is a prime.

It is a super-2 number, since 2×5645842419² = 63751073240359543122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645842459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215857 + ... + 240594.

It is an arithmetic number, because the mean of its divisors is an integer number (292129280).

Almost surely, 2^5645842419 is an apocalyptic number.

5645842419 is a deficient number, since it is larger than the sum of its proper divisors (3702294541).

5645842419 is a wasteful number, since it uses less digits than its factorization.

5645842419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456511.

The product of its digits is 1382400, while the sum is 48.

The square root of 5645842419 is about 75138.8209848944. The cubic root of 5645842419 is about 1780.6405155019.

The spelling of 5645842419 in words is "five billion, six hundred forty-five million, eight hundred forty-two thousand, four hundred nineteen".