216254969 has 8 divisors (see below), whose sum is σ = 247248000. Its totient is φ = 185286816.

The previous prime is 216254953. The next prime is 216254971. The reversal of 216254969 is 969452612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216254969 - 2⁴ = 216254953 is a prime.

It is a super-2 number, since 2×216254969² = 93532423234381922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216254369) 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 7 ways as a sum of consecutive naturals, for example, 19532 + ... + 28530.

It is an arithmetic number, because the mean of its divisors is an integer number (30906000).

Almost surely, 2^216254969 is an apocalyptic number.

It is an amenable number.

216254969 is a deficient number, since it is larger than the sum of its proper divisors (30993031).

216254969 is an equidigital number, since it uses as much as digits as its factorization.

216254969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12439.

The product of its digits is 233280, while the sum is 44.

The square root of 216254969 is about 14705.6101199508. The cubic root of 216254969 is about 600.2359895768.

The spelling of 216254969 in words is "two hundred sixteen million, two hundred fifty-four thousand, nine hundred sixty-nine".