214773852969 has 135 divisors (see below), whose sum is σ = 370641956223. Its totient is φ = 123860026368.

The previous prime is 214773852967. The next prime is 214773853039. The reversal of 214773852969 is 969258377412.

The square root of 214773852969 is 463437.

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

214773852969 is a `hidden beast` number, since 2 + 1 + 4 + 77 + 38 + 529 + 6 + 9 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 186351939225 + 28421913744 = 431685^2 + 168588^2 .

It is not a de Polignac number, because 214773852969 - 2¹ = 214773852967 is a prime.

It is a super-2 number, since 2×214773852969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214773852967) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 921776077 + ... + 921776309.

Almost surely, 2^214773852969 is an apocalyptic number.

214773852969 is the 463437-th square number.

214773852969 is the 231719-th centered octagonal number.

It is an amenable number.

214773852969 is a deficient number, since it is larger than the sum of its proper divisors (155868103254).

214773852969 is an equidigital number, since it uses as much as digits as its factorization.

214773852969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 266 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 214773852969 in words is "two hundred fourteen billion, seven hundred seventy-three million, eight hundred fifty-two thousand, nine hundred sixty-nine".