211653363364 has 27 divisors (see below), whose sum is σ = 380735816643. Its totient is φ = 102949939008.

The previous prime is 211653363349. The next prime is 211653363371. The reversal of 211653363364 is 463363356112.

The square root of 211653363364 is 460058.

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

It can be written as a sum of positive squares in 4 ways, for example, as 88115172964 + 123538190400 = 296842^2 + 351480^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211653363364.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34041184 + ... + 34047400.

Almost surely, 2^211653363364 is an apocalyptic number.

211653363364 is the 460058-th square number.

It is an amenable number.

211653363364 is a deficient number, since it is larger than the sum of its proper divisors (169082453279).

211653363364 is an frugal number, since it uses more digits than its factorization.

211653363364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12512 (or 6256 counting only the distinct ones).

The product of its digits is 699840, while the sum is 43.

The spelling of 211653363364 in words is "two hundred eleven billion, six hundred fifty-three million, three hundred sixty-three thousand, three hundred sixty-four".