438452383 has 2 divisors, whose sum is σ = 438452384. Its totient is φ = 438452382.

The previous prime is 438452369. The next prime is 438452393. The reversal of 438452383 is 383254834.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438452383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438452393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219226191 + 219226192.

It is an arithmetic number, because the mean of its divisors is an integer number (219226192).

Almost surely, 2^438452383 is an apocalyptic number.

438452383 is a deficient number, since it is larger than the sum of its proper divisors (1).

438452383 is an equidigital number, since it uses as much as digits as its factorization.

438452383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 40.

The square root of 438452383 is about 20939.2545951378. The cubic root of 438452383 is about 759.6977000630.

The spelling of 438452383 in words is "four hundred thirty-eight million, four hundred fifty-two thousand, three hundred eighty-three".