245574120017663 has 2 divisors, whose sum is σ = 245574120017664. Its totient is φ = 245574120017662.

The previous prime is 245574120017657. The next prime is 245574120017669. The reversal of 245574120017663 is 366710021475542.

It is a balanced prime because it is at equal distance from previous prime (245574120017657) and next prime (245574120017669).

It is a cyclic number.

It is not a de Polignac number, because 245574120017663 - 2³⁰ = 245573046275839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245574120017669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122787060008831 + 122787060008832.

It is an arithmetic number, because the mean of its divisors is an integer number (122787060008832).

Almost surely, 2^{245574120017663} is an apocalyptic number.

245574120017663 is a deficient number, since it is larger than the sum of its proper divisors (1).

245574120017663 is an equidigital number, since it uses as much as digits as its factorization.

245574120017663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 245574120017663 in words is "two hundred forty-five trillion, five hundred seventy-four billion, one hundred twenty million, seventeen thousand, six hundred sixty-three".