245202400447 has 2 divisors, whose sum is σ = 245202400448. Its totient is φ = 245202400446.

The previous prime is 245202400441. The next prime is 245202400477. The reversal of 245202400447 is 744004202542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245202400447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245202400441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122601200223 + 122601200224.

It is an arithmetic number, because the mean of its divisors is an integer number (122601200224).

Almost surely, 2^245202400447 is an apocalyptic number.

245202400447 is a deficient number, since it is larger than the sum of its proper divisors (1).

245202400447 is an equidigital number, since it uses as much as digits as its factorization.

245202400447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 34.

Adding to 245202400447 its reverse (744004202542), we get a palindrome (989206602989).

The spelling of 245202400447 in words is "two hundred forty-five billion, two hundred two million, four hundred thousand, four hundred forty-seven".