5409403709 has 2 divisors, whose sum is σ = 5409403710. Its totient is φ = 5409403708.

The previous prime is 5409403697. The next prime is 5409403729. The reversal of 5409403709 is 9073049045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2889062500 + 2520341209 = 53750^2 + 50203^2 .

It is a cyclic number.

It is not a de Polignac number, because 5409403709 - 2⁴ = 5409403693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5409403729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704701854 + 2704701855.

It is an arithmetic number, because the mean of its divisors is an integer number (2704701855).

Almost surely, 2^5409403709 is an apocalyptic number.

It is an amenable number.

5409403709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5409403709 is an equidigital number, since it uses as much as digits as its factorization.

5409403709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 5409403709 is about 73548.6485871766. The cubic root of 5409403709 is about 1755.4284453805.

The spelling of 5409403709 in words is "five billion, four hundred nine million, four hundred three thousand, seven hundred nine".