5185233638 has 16 divisors (see below), whose sum is σ = 8377614000. Its totient is φ = 2392765536.

The previous prime is 5185233623. The next prime is 5185233667. The reversal of 5185233638 is 8363325815.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172988 + ... + 200736.

It is an arithmetic number, because the mean of its divisors is an integer number (523600875).

Almost surely, 2^5185233638 is an apocalyptic number.

5185233638 is a deficient number, since it is larger than the sum of its proper divisors (3192380362).

5185233638 is a wasteful number, since it uses less digits than its factorization.

5185233638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34951.

The product of its digits is 518400, while the sum is 44.

The square root of 5185233638 is about 72008.5664209474. The cubic root of 5185233638 is about 1730.8367585017.

The spelling of 5185233638 in words is "five billion, one hundred eighty-five million, two hundred thirty-three thousand, six hundred thirty-eight".