245663313107 has 2 divisors, whose sum is σ = 245663313108. Its totient is φ = 245663313106.

The previous prime is 245663313097. The next prime is 245663313143. The reversal of 245663313107 is 701313366542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245663313107 is a prime.

It is not a weakly prime, because it can be changed into another prime (245663313157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122831656553 + 122831656554.

It is an arithmetic number, because the mean of its divisors is an integer number (122831656554).

Almost surely, 2^245663313107 is an apocalyptic number.

245663313107 is a deficient number, since it is larger than the sum of its proper divisors (1).

245663313107 is an equidigital number, since it uses as much as digits as its factorization.

245663313107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

Adding to 245663313107 its reverse (701313366542), we get a palindrome (946976679649).

The spelling of 245663313107 in words is "two hundred forty-five billion, six hundred sixty-three million, three hundred thirteen thousand, one hundred seven".