245316896569 has 2 divisors, whose sum is σ = 245316896570. Its totient is φ = 245316896568.

The previous prime is 245316896567. The next prime is 245316896641. The reversal of 245316896569 is 965698613542.

245316896569 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 can be written as a sum of positive squares in only one way, i.e., 159549916969 + 85766979600 = 399437^2 + 292860^2 .

It is a cyclic number.

It is not a de Polignac number, because 245316896569 - 2¹ = 245316896567 is a prime.

It is a super-3 number, since 3×245316896569³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 245316896567, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245316896569.

It is not a weakly prime, because it can be changed into another prime (245316896563) 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, 122658448284 + 122658448285.

It is an arithmetic number, because the mean of its divisors is an integer number (122658448285).

Almost surely, 2^245316896569 is an apocalyptic number.

It is an amenable number.

245316896569 is a deficient number, since it is larger than the sum of its proper divisors (1).

245316896569 is an equidigital number, since it uses as much as digits as its factorization.

245316896569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83980800, while the sum is 64.

The spelling of 245316896569 in words is "two hundred forty-five billion, three hundred sixteen million, eight hundred ninety-six thousand, five hundred sixty-nine".