5408558789 has 4 divisors (see below), whose sum is σ = 5726709324. Its totient is φ = 5090408256.

The previous prime is 5408558759. The next prime is 5408558803. The reversal of 5408558789 is 9878558045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9878558045 = 5 ⋅1975711609.

It can be written as a sum of positive squares in 2 ways, for example, as 3334485025 + 2074073764 = 57745^2 + 45542^2 .

It is a cyclic number.

It is not a de Polignac number, because 5408558789 - 2¹⁶ = 5408493253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408558759) 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, 159075242 + ... + 159075275.

It is an arithmetic number, because the mean of its divisors is an integer number (1431677331).

Almost surely, 2^5408558789 is an apocalyptic number.

It is an amenable number.

5408558789 is a deficient number, since it is larger than the sum of its proper divisors (318150535).

5408558789 is a wasteful number, since it uses less digits than its factorization.

5408558789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318150534.

The product of its (nonzero) digits is 16128000, while the sum is 59.

The square root of 5408558789 is about 73542.9044096030. The cubic root of 5408558789 is about 1755.3370444356.

The spelling of 5408558789 in words is "five billion, four hundred eight million, five hundred fifty-eight thousand, seven hundred eighty-nine".