437522073349 has 2 divisors, whose sum is σ = 437522073350. Its totient is φ = 437522073348.

The previous prime is 437522073293. The next prime is 437522073409. The reversal of 437522073349 is 943370225734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376250972449 + 61271100900 = 613393^2 + 247530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-437522073349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (437522073749) 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, 218761036674 + 218761036675.

It is an arithmetic number, because the mean of its divisors is an integer number (218761036675).

Almost surely, 2^437522073349 is an apocalyptic number.

It is an amenable number.

437522073349 is a deficient number, since it is larger than the sum of its proper divisors (1).

437522073349 is an equidigital number, since it uses as much as digits as its factorization.

437522073349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 49.

The spelling of 437522073349 in words is "four hundred thirty-seven billion, five hundred twenty-two million, seventy-three thousand, three hundred forty-nine".