241820423857 has 2 divisors, whose sum is σ = 241820423858. Its totient is φ = 241820423856.

The previous prime is 241820423807. The next prime is 241820423869. The reversal of 241820423857 is 758324028142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160942182976 + 80878240881 = 401176^2 + 284391^2 .

It is a cyclic number.

It is not a de Polignac number, because 241820423857 - 2¹⁹ = 241819899569 is a prime.

It is not a weakly prime, because it can be changed into another prime (241820423807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120910211928 + 120910211929.

It is an arithmetic number, because the mean of its divisors is an integer number (120910211929).

Almost surely, 2^241820423857 is an apocalyptic number.

It is an amenable number.

241820423857 is a deficient number, since it is larger than the sum of its proper divisors (1).

241820423857 is an equidigital number, since it uses as much as digits as its factorization.

241820423857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 241820423857 in words is "two hundred forty-one billion, eight hundred twenty million, four hundred twenty-three thousand, eight hundred fifty-seven".