245663313143 has 2 divisors, whose sum is σ = 245663313144. Its totient is φ = 245663313142.

The previous prime is 245663313107. The next prime is 245663313151. The reversal of 245663313143 is 341313366542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245663313143 - 2¹⁸ = 245663050999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245663313143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245663313443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122831656571 + 122831656572.

It is an arithmetic number, because the mean of its divisors is an integer number (122831656572).

Almost surely, 2^245663313143 is an apocalyptic number.

245663313143 is a deficient number, since it is larger than the sum of its proper divisors (1).

245663313143 is an equidigital number, since it uses as much as digits as its factorization.

245663313143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 41.

Adding to 245663313143 its reverse (341313366542), we get a palindrome (586976679685).

The spelling of 245663313143 in words is "two hundred forty-five billion, six hundred sixty-three million, three hundred thirteen thousand, one hundred forty-three".