5409193909 has 16 divisors (see below), whose sum is σ = 6549907968. Its totient is φ = 4360833792.

The previous prime is 5409193871. The next prime is 5409193973. The reversal of 5409193909 is 9093919045.

It is not a de Polignac number, because 5409193909 - 2⁷ = 5409193781 is a prime.

It is a super-4 number, since 4×5409193909⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409193109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175812 + ... + 204274.

It is an arithmetic number, because the mean of its divisors is an integer number (409369248).

Almost surely, 2^5409193909 is an apocalyptic number.

It is an amenable number.

5409193909 is a deficient number, since it is larger than the sum of its proper divisors (1140714059).

5409193909 is a wasteful number, since it uses less digits than its factorization.

5409193909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30084.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 5409193909 is about 73547.2223064882. Note that the first 3 decimals coincide. The cubic root of 5409193909 is about 1755.4057507257.

The spelling of 5409193909 in words is "five billion, four hundred nine million, one hundred ninety-three thousand, nine hundred nine".