382953869 has 2 divisors, whose sum is σ = 382953870. Its totient is φ = 382953868.

The previous prime is 382953863. The next prime is 382953871. The reversal of 382953869 is 968359283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225150025 + 157803844 = 15005^2 + 12562^2 .

It is a cyclic number.

It is not a de Polignac number, because 382953869 - 2²⁴ = 366176653 is a prime.

It is a super-2 number, since 2×382953869² = 293307331564138322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 382953871, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 382953869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382953863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191476934 + 191476935.

It is an arithmetic number, because the mean of its divisors is an integer number (191476935).

Almost surely, 2^382953869 is an apocalyptic number.

It is an amenable number.

382953869 is a deficient number, since it is larger than the sum of its proper divisors (1).

382953869 is an equidigital number, since it uses as much as digits as its factorization.

382953869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The square root of 382953869 is about 19569.2071632961. The cubic root of 382953869 is about 726.1875860741.

The spelling of 382953869 in words is "three hundred eighty-two million, nine hundred fifty-three thousand, eight hundred sixty-nine".