245342454449 has 2 divisors, whose sum is σ = 245342454450. Its totient is φ = 245342454448.

The previous prime is 245342454397. The next prime is 245342454463. The reversal of 245342454449 is 944454243542.

245342454449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245341902400 + 552049 = 495320^2 + 743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245342454449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245342454397 and 245342454406.

It is not a weakly prime, because it can be changed into another prime (245342454349) 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, 122671227224 + 122671227225.

It is an arithmetic number, because the mean of its divisors is an integer number (122671227225).

Almost surely, 2^245342454449 is an apocalyptic number.

It is an amenable number.

245342454449 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342454449 is an equidigital number, since it uses as much as digits as its factorization.

245342454449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 50.

The spelling of 245342454449 in words is "two hundred forty-five billion, three hundred forty-two million, four hundred fifty-four thousand, four hundred forty-nine".