2149818227085 has 8 divisors (see below), whose sum is σ = 3439709163360. Its totient is φ = 1146569721104.

The previous prime is 2149818227083. The next prime is 2149818227149. The reversal of 2149818227085 is 5807228189412.

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

It is a cyclic number.

It is not a de Polignac number, because 2149818227085 - 2¹ = 2149818227083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149818227083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71660607555 + ... + 71660607584.

It is an arithmetic number, because the mean of its divisors is an integer number (429963645420).

Almost surely, 2^{2149818227085} is an apocalyptic number.

It is an amenable number.

2149818227085 is a deficient number, since it is larger than the sum of its proper divisors (1289890936275).

2149818227085 is a wasteful number, since it uses less digits than its factorization.

2149818227085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143321215147.

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 2149818227085 in words is "two trillion, one hundred forty-nine billion, eight hundred eighteen million, two hundred twenty-seven thousand, eighty-five".