214747469 has 4 divisors (see below), whose sum is σ = 215257980. Its totient is φ = 214236960.

The previous prime is 214747459. The next prime is 214747483. The reversal of 214747469 is 964747412.

214747469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26646244 + 188101225 = 5162^2 + 13715^2 .

It is a cyclic number.

It is not a de Polignac number, because 214747469 - 2⁴ = 214747453 is a prime.

It is a super-2 number, since 2×214747469² = 92232950883811922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214747459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254624 + ... + 255465.

It is an arithmetic number, because the mean of its divisors is an integer number (53814495).

Almost surely, 2^214747469 is an apocalyptic number.

It is an amenable number.

214747469 is a deficient number, since it is larger than the sum of its proper divisors (510511).

214747469 is an equidigital number, since it uses as much as digits as its factorization.

214747469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510510.

The product of its digits is 338688, while the sum is 44.

The square root of 214747469 is about 14654.2645328928. The cubic root of 214747469 is about 598.8380001206.

The spelling of 214747469 in words is "two hundred fourteen million, seven hundred forty-seven thousand, four hundred sixty-nine".