214235002165 has 4 divisors (see below), whose sum is σ = 257082002604. Its totient is φ = 171388001728.

The previous prime is 214235002147. The next prime is 214235002169. The reversal of 214235002165 is 561200532412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82859925316 + 131375076849 = 287854^2 + 362457^2 .

It is a cyclic number.

It is not a de Polignac number, because 214235002165 - 2¹⁵ = 214234969397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214235002169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21423500212 + ... + 21423500221.

It is an arithmetic number, because the mean of its divisors is an integer number (64270500651).

Almost surely, 2^214235002165 is an apocalyptic number.

It is an amenable number.

214235002165 is a deficient number, since it is larger than the sum of its proper divisors (42847000439).

214235002165 is an equidigital number, since it uses as much as digits as its factorization.

214235002165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42847000438.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 214235002165 its reverse (561200532412), we get a palindrome (775435534577).

The spelling of 214235002165 in words is "two hundred fourteen billion, two hundred thirty-five million, two thousand, one hundred sixty-five".