214281964836 has 45 divisors (see below), whose sum is σ = 560197166529. Its totient is φ = 71424544176.

The previous prime is 214281964829. The next prime is 214281964849. The reversal of 214281964836 is 638469182412.

The square root of 214281964836 is 462906.

It is a perfect power (a square), and thus also a powerful number.

214281964836 is a `hidden beast` number, since 2 + 142 + 8 + 19 + 6 + 483 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128113884900 + 86168079936 = 357930^2 + 293544^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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 14 ways as a sum of consecutive naturals, for example, 8319450 + ... + 8345166.

Almost surely, 2^214281964836 is an apocalyptic number.

214281964836 is the 462906-th square number.

It is an amenable number.

214281964836 is an abundant number, since it is smaller than the sum of its proper divisors (345915201693).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214281964836 is an frugal number, since it uses more digits than its factorization.

214281964836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51450 (or 25722 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 214281964836 in words is "two hundred fourteen billion, two hundred eighty-one million, nine hundred sixty-four thousand, eight hundred thirty-six".