380216453 has 2 divisors, whose sum is σ = 380216454. Its totient is φ = 380216452.

The previous prime is 380216399. The next prime is 380216479. The reversal of 380216453 is 354612083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377058724 + 3157729 = 19418^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 380216453 - 2²⁶ = 313107589 is a prime.

It is a super-2 number, since 2×380216453² = 289129102263802418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380216153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190108226 + 190108227.

It is an arithmetic number, because the mean of its divisors is an integer number (190108227).

Almost surely, 2^380216453 is an apocalyptic number.

It is an amenable number.

380216453 is a deficient number, since it is larger than the sum of its proper divisors (1).

380216453 is an equidigital number, since it uses as much as digits as its factorization.

380216453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 380216453 is about 19499.1398015400. The cubic root of 380216453 is about 724.4531448139.

The spelling of 380216453 in words is "three hundred eighty million, two hundred sixteen thousand, four hundred fifty-three".