438064703953 has 2 divisors, whose sum is σ = 438064703954. Its totient is φ = 438064703952.

The previous prime is 438064703933. The next prime is 438064703977. The reversal of 438064703953 is 359307460834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347855782849 + 90208921104 = 589793^2 + 300348^2 .

It is a cyclic number.

It is not a de Polignac number, because 438064703953 - 2²¹ = 438062606801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 438064703953.

It is not a weakly prime, because it can be changed into another prime (438064703933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219032351976 + 219032351977.

It is an arithmetic number, because the mean of its divisors is an integer number (219032351977).

Almost surely, 2^438064703953 is an apocalyptic number.

It is an amenable number.

438064703953 is a deficient number, since it is larger than the sum of its proper divisors (1).

438064703953 is an equidigital number, since it uses as much as digits as its factorization.

438064703953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 438064703953 in words is "four hundred thirty-eight billion, sixty-four million, seven hundred three thousand, nine hundred fifty-three".