245420403224213 has 6 divisors (see below), whose sum is σ = 285489040485366. Its totient is φ = 210360345620712.

The previous prime is 245420403224203. The next prime is 245420403224221. The reversal of 245420403224213 is 312422304024542.

It can be written as a sum of positive squares in only one way, i.e., 167891286400369 + 77529116823844 = 12957287^2 + 8805062^2 .

It is not a de Polignac number, because 245420403224213 - 2⁴ = 245420403224197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245420403224203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2504289828770 + ... + 2504289828867.

It is an arithmetic number, because the mean of its divisors is an integer number (47581506747561).

Almost surely, 2^{245420403224213} is an apocalyptic number.

It is an amenable number.

245420403224213 is a deficient number, since it is larger than the sum of its proper divisors (40068637261153).

245420403224213 is an equidigital number, since it uses as much as digits as its factorization.

245420403224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008579657651 (or 5008579657644 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 245420403224213 its reverse (312422304024542), we get a palindrome (557842707248755).

The spelling of 245420403224213 in words is "two hundred forty-five trillion, four hundred twenty billion, four hundred three million, two hundred twenty-four thousand, two hundred thirteen".