5409647879 has 2 divisors, whose sum is σ = 5409647880. Its totient is φ = 5409647878.

The previous prime is 5409647869. The next prime is 5409647891. The reversal of 5409647879 is 9787469045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5409647879 - 2²⁰ = 5408599303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5409647819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704823939 + 2704823940.

It is an arithmetic number, because the mean of its divisors is an integer number (2704823940).

Almost surely, 2^5409647879 is an apocalyptic number.

5409647879 is a deficient number, since it is larger than the sum of its proper divisors (1).

5409647879 is an equidigital number, since it uses as much as digits as its factorization.

5409647879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The square root of 5409647879 is about 73550.3084901756. The cubic root of 5409647879 is about 1755.4548571958.

The spelling of 5409647879 in words is "five billion, four hundred nine million, six hundred forty-seven thousand, eight hundred seventy-nine".