638500500214 has 8 divisors (see below), whose sum is σ = 958892291280. Its totient is φ = 318869736456.

The previous prime is 638500500191. The next prime is 638500500221. The reversal of 638500500214 is 412005005836.

638500500214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 638500500214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190254729 + ... + 190258084.

It is an arithmetic number, because the mean of its divisors is an integer number (119861536410).

Almost surely, 2^638500500214 is an apocalyptic number.

638500500214 is a deficient number, since it is larger than the sum of its proper divisors (320391791066).

638500500214 is a wasteful number, since it uses less digits than its factorization.

638500500214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380513654.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 638500500214 in words is "six hundred thirty-eight billion, five hundred million, five hundred thousand, two hundred fourteen".