241946578561 has 2 divisors, whose sum is σ = 241946578562. Its totient is φ = 241946578560.

The previous prime is 241946578541. The next prime is 241946578567. The reversal of 241946578561 is 165875649142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230645825536 + 11300753025 = 480256^2 + 106305^2 .

It is a cyclic number.

It is not a de Polignac number, because 241946578561 - 2²⁷ = 241812360833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241946578496 and 241946578505.

It is not a weakly prime, because it can be changed into another prime (241946578567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120973289280 + 120973289281.

It is an arithmetic number, because the mean of its divisors is an integer number (120973289281).

Almost surely, 2^241946578561 is an apocalyptic number.

It is an amenable number.

241946578561 is a deficient number, since it is larger than the sum of its proper divisors (1).

241946578561 is an equidigital number, since it uses as much as digits as its factorization.

241946578561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 58.

The spelling of 241946578561 in words is "two hundred forty-one billion, nine hundred forty-six million, five hundred seventy-eight thousand, five hundred sixty-one".