245430781567 has 2 divisors, whose sum is σ = 245430781568. Its totient is φ = 245430781566.

The previous prime is 245430781537. The next prime is 245430781649. The reversal of 245430781567 is 765187034542.

245430781567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245430781567 - 2⁷ = 245430781439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245430781537) 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, 122715390783 + 122715390784.

It is an arithmetic number, because the mean of its divisors is an integer number (122715390784).

Almost surely, 2^245430781567 is an apocalyptic number.

245430781567 is a deficient number, since it is larger than the sum of its proper divisors (1).

245430781567 is an equidigital number, since it uses as much as digits as its factorization.

245430781567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 245430781567 in words is "two hundred forty-five billion, four hundred thirty million, seven hundred eighty-one thousand, five hundred sixty-seven".