245642366914559 has 2 divisors, whose sum is σ = 245642366914560. Its totient is φ = 245642366914558.

The previous prime is 245642366914543. The next prime is 245642366914561. The reversal of 245642366914559 is 955419663246542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245642366914559 - 2⁴ = 245642366914543 is a prime.

Together with 245642366914561, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245642366914492 and 245642366914501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245642366914589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122821183457279 + 122821183457280.

It is an arithmetic number, because the mean of its divisors is an integer number (122821183457280).

Almost surely, 2^{245642366914559} is an apocalyptic number.

245642366914559 is a deficient number, since it is larger than the sum of its proper divisors (1).

245642366914559 is an equidigital number, since it uses as much as digits as its factorization.

245642366914559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616000, while the sum is 71.

The spelling of 245642366914559 in words is "two hundred forty-five trillion, six hundred forty-two billion, three hundred sixty-six million, nine hundred fourteen thousand, five hundred fifty-nine".