384329453 has 2 divisors, whose sum is σ = 384329454. Its totient is φ = 384329452.

The previous prime is 384329419. The next prime is 384329479. The reversal of 384329453 is 354923483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329894569 + 54434884 = 18163^2 + 7378^2 .

It is an emirp because it is prime and its reverse (354923483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384329453 - 2⁶ = 384329389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384329453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384329483) 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 as a sum of consecutive naturals, namely, 192164726 + 192164727.

It is an arithmetic number, because the mean of its divisors is an integer number (192164727).

Almost surely, 2^384329453 is an apocalyptic number.

It is an amenable number.

384329453 is a deficient number, since it is larger than the sum of its proper divisors (1).

384329453 is an equidigital number, since it uses as much as digits as its factorization.

384329453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The square root of 384329453 is about 19604.3223040227. The cubic root of 384329453 is about 727.0560443226.

The spelling of 384329453 in words is "three hundred eighty-four million, three hundred twenty-nine thousand, four hundred fifty-three".