5018593409 has 4 divisors (see below), whose sum is σ = 5313804804. Its totient is φ = 4723382016.

The previous prime is 5018593387. The next prime is 5018593417. The reversal of 5018593409 is 9043958105.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2742826384 + 2275767025 = 52372^2 + 47705^2 .

It is a cyclic number.

It is not a de Polignac number, because 5018593409 - 2²⁸ = 4750157953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5018593409.

It is not an unprimeable number, because it can be changed into a prime (5018593429) 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, 147605672 + ... + 147605705.

It is an arithmetic number, because the mean of its divisors is an integer number (1328451201).

Almost surely, 2^5018593409 is an apocalyptic number.

It is an amenable number.

5018593409 is a deficient number, since it is larger than the sum of its proper divisors (295211395).

5018593409 is a wasteful number, since it uses less digits than its factorization.

5018593409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295211394.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 5018593409 is about 70842.0313726251. The cubic root of 5018593409 is about 1712.0929435058.

The spelling of 5018593409 in words is "five billion, eighteen million, five hundred ninety-three thousand, four hundred nine".