245461568697 has 10 divisors (see below), whose sum is σ = 366677158298. Its totient is φ = 163641045744.

The previous prime is 245461568669. The next prime is 245461568707. The reversal of 245461568697 is 796865164542.

245461568697 is a `hidden beast` number, since 2 + 4 + 5 + 4 + 6 + 1 + 568 + 69 + 7 = 666.

245461568697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 207848457216 + 37613111481 = 455904^2 + 193941^2 .

It is not a de Polignac number, because 245461568697 - 2⁶ = 245461568633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245461568797) 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 in 9 ways as a sum of consecutive naturals, for example, 1515194788 + ... + 1515194949.

Almost surely, 2^245461568697 is an apocalyptic number.

245461568697 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

245461568697 is a deficient number, since it is larger than the sum of its proper divisors (121215589601).

245461568697 is an equidigital number, since it uses as much as digits as its factorization.

245461568697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030389749 (or 3030389740 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 245461568697 in words is "two hundred forty-five billion, four hundred sixty-one million, five hundred sixty-eight thousand, six hundred ninety-seven".