245344513134353 has 2 divisors, whose sum is σ = 245344513134354. Its totient is φ = 245344513134352.

The previous prime is 245344513134293. The next prime is 245344513134463. The reversal of 245344513134353 is 353431315443542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124411559844049 + 120932953290304 = 11153993^2 + 10996952^2 .

It is a cyclic number.

It is not a de Polignac number, because 245344513134353 - 2⁴⁶ = 174975768956689 is a prime.

It is not a weakly prime, because it can be changed into another prime (245344513134053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122672256567176 + 122672256567177.

It is an arithmetic number, because the mean of its divisors is an integer number (122672256567177).

Almost surely, 2^{245344513134353} is an apocalyptic number.

It is an amenable number.

245344513134353 is a deficient number, since it is larger than the sum of its proper divisors (1).

245344513134353 is an equidigital number, since it uses as much as digits as its factorization.

245344513134353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552000, while the sum is 50.

Adding to 245344513134353 its reverse (353431315443542), we get a palindrome (598775828577895).

The spelling of 245344513134353 in words is "two hundred forty-five trillion, three hundred forty-four billion, five hundred thirteen million, one hundred thirty-four thousand, three hundred fifty-three".