438983450723353 has 2 divisors, whose sum is σ = 438983450723354. Its totient is φ = 438983450723352.

The previous prime is 438983450723291. The next prime is 438983450723401. The reversal of 438983450723353 is 353327054389834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241914721817664 + 197068728905689 = 15553608^2 + 14038117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438983450723353 is a prime.

It is not a weakly prime, because it can be changed into another prime (438983450723053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219491725361676 + 219491725361677.

It is an arithmetic number, because the mean of its divisors is an integer number (219491725361677).

Almost surely, 2^{438983450723353} is an apocalyptic number.

It is an amenable number.

438983450723353 is a deficient number, since it is larger than the sum of its proper divisors (1).

438983450723353 is an equidigital number, since it uses as much as digits as its factorization.

438983450723353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 783820800, while the sum is 67.

The spelling of 438983450723353 in words is "four hundred thirty-eight trillion, nine hundred eighty-three billion, four hundred fifty million, seven hundred twenty-three thousand, three hundred fifty-three".