5023538509 has 16 divisors (see below), whose sum is σ = 5536460160. Its totient is φ = 4520104960.

The previous prime is 5023538503. The next prime is 5023538567. The reversal of 5023538509 is 9058353205.

It is a cyclic number.

It is not a de Polignac number, because 5023538509 - 2⁵ = 5023538477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5023538503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040469 + ... + 1045285.

It is an arithmetic number, because the mean of its divisors is an integer number (346028760).

Almost surely, 2^5023538509 is an apocalyptic number.

It is an amenable number.

5023538509 is a deficient number, since it is larger than the sum of its proper divisors (512921651).

5023538509 is a wasteful number, since it uses less digits than its factorization.

5023538509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 5023538509 is about 70876.9250814396. The cubic root of 5023538509 is about 1712.6550991284.

The spelling of 5023538509 in words is "five billion, twenty-three million, five hundred thirty-eight thousand, five hundred nine".