21850027238518 has 8 divisors (see below), whose sum is σ = 32818336818912. Its totient is φ = 10910581632216.

The previous prime is 21850027238489. The next prime is 21850027238537. The reversal of 21850027238518 is 81583272005812.

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

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, 7215991630 + ... + 7215994657.

It is an arithmetic number, because the mean of its divisors is an integer number (4102292102364).

Almost surely, 2^{21850027238518} is an apocalyptic number.

21850027238518 is a deficient number, since it is larger than the sum of its proper divisors (10968309580394).

21850027238518 is a wasteful number, since it uses less digits than its factorization.

21850027238518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431987046.

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 21850027238518 in words is "twenty-one trillion, eight hundred fifty billion, twenty-seven million, two hundred thirty-eight thousand, five hundred eighteen".