214509439516 has 24 divisors (see below), whose sum is σ = 384111786240. Its totient is φ = 104771943792.

The previous prime is 214509439477. The next prime is 214509439549. The reversal of 214509439516 is 615934905412.

It is a self number, because there is not a number n which added to its sum of digits gives 214509439516.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 992506 + ... + 1189153.

It is an arithmetic number, because the mean of its divisors is an integer number (16004657760).

Almost surely, 2^214509439516 is an apocalyptic number.

It is an amenable number.

214509439516 is a deficient number, since it is larger than the sum of its proper divisors (169602346724).

214509439516 is a wasteful number, since it uses less digits than its factorization.

214509439516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182233 (or 2182231 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 214509439516 in words is "two hundred fourteen billion, five hundred nine million, four hundred thirty-nine thousand, five hundred sixteen".