438132446953 has 2 divisors, whose sum is σ = 438132446954. Its totient is φ = 438132446952.

The previous prime is 438132446903. The next prime is 438132446957. The reversal of 438132446953 is 359644231834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401763287104 + 36369159849 = 633848^2 + 190707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438132446953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 438132446953.

It is not a weakly prime, because it can be changed into another prime (438132446957) 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, 219066223476 + 219066223477.

It is an arithmetic number, because the mean of its divisors is an integer number (219066223477).

Almost surely, 2^438132446953 is an apocalyptic number.

It is an amenable number.

438132446953 is a deficient number, since it is larger than the sum of its proper divisors (1).

438132446953 is an equidigital number, since it uses as much as digits as its factorization.

438132446953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 52.

The spelling of 438132446953 in words is "four hundred thirty-eight billion, one hundred thirty-two million, four hundred forty-six thousand, nine hundred fifty-three".