245384278957093 has 2 divisors, whose sum is σ = 245384278957094. Its totient is φ = 245384278957092.

The previous prime is 245384278957039. The next prime is 245384278957109. The reversal of 245384278957093 is 390759872483542.

It is a happy number.

Together with previous prime (245384278957039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242548012046209 + 2836266910884 = 15573953^2 + 1684122^2 .

It is a cyclic number.

It is not a de Polignac number, because 245384278957093 - 2⁹ = 245384278956581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245384278157093) 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 as a sum of consecutive naturals, namely, 122692139478546 + 122692139478547.

It is an arithmetic number, because the mean of its divisors is an integer number (122692139478547).

Almost surely, 2^{245384278957093} is an apocalyptic number.

It is an amenable number.

245384278957093 is a deficient number, since it is larger than the sum of its proper divisors (1).

245384278957093 is an equidigital number, since it uses as much as digits as its factorization.

245384278957093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3657830400, while the sum is 76.

The spelling of 245384278957093 in words is "two hundred forty-five trillion, three hundred eighty-four billion, two hundred seventy-eight million, nine hundred fifty-seven thousand, ninety-three".