245433043813 has 2 divisors, whose sum is σ = 245433043814. Its totient is φ = 245433043812.

The previous prime is 245433043763. The next prime is 245433043829. The reversal of 245433043813 is 318340334542.

245433043813 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., 214496807044 + 30936236769 = 463138^2 + 175887^2 .

It is a cyclic number.

It is not a de Polignac number, because 245433043813 - 2⁹ = 245433043301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245433043013) 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, 122716521906 + 122716521907.

It is an arithmetic number, because the mean of its divisors is an integer number (122716521907).

Almost surely, 2^245433043813 is an apocalyptic number.

It is an amenable number.

245433043813 is a deficient number, since it is larger than the sum of its proper divisors (1).

245433043813 is an equidigital number, since it uses as much as digits as its factorization.

245433043813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 245433043813 in words is "two hundred forty-five billion, four hundred thirty-three million, forty-three thousand, eight hundred thirteen".