214235163521 has 16 divisors (see below), whose sum is σ = 227292773760. Its totient is φ = 201491790720.

The previous prime is 214235163487. The next prime is 214235163547. The reversal of 214235163521 is 125361532412.

It is a de Polignac number, because none of the positive numbers 2^k-214235163521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214235163551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4300685 + ... + 4350213.

It is an arithmetic number, because the mean of its divisors is an integer number (14205798360).

Almost surely, 2^214235163521 is an apocalyptic number.

It is an amenable number.

214235163521 is a deficient number, since it is larger than the sum of its proper divisors (13057610239).

214235163521 is a wasteful number, since it uses less digits than its factorization.

214235163521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52696.

The product of its digits is 43200, while the sum is 35.

Adding to 214235163521 its reverse (125361532412), we get a palindrome (339596695933).

The spelling of 214235163521 in words is "two hundred fourteen billion, two hundred thirty-five million, one hundred sixty-three thousand, five hundred twenty-one".