349555478453 has 2 divisors, whose sum is σ = 349555478454. Its totient is φ = 349555478452.

The previous prime is 349555478443. The next prime is 349555478471. The reversal of 349555478453 is 354874555943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345294913924 + 4260564529 = 587618^2 + 65273^2 .

It is a cyclic number.

It is not a de Polignac number, because 349555478453 - 2⁸ = 349555478197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349555478443) 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, 174777739226 + 174777739227.

It is an arithmetic number, because the mean of its divisors is an integer number (174777739227).

Almost surely, 2^349555478453 is an apocalyptic number.

It is an amenable number.

349555478453 is a deficient number, since it is larger than the sum of its proper divisors (1).

349555478453 is an equidigital number, since it uses as much as digits as its factorization.

349555478453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440000, while the sum is 62.

The spelling of 349555478453 in words is "three hundred forty-nine billion, five hundred fifty-five million, four hundred seventy-eight thousand, four hundred fifty-three".