241256420613 has 48 divisors (see below), whose sum is σ = 378939440880. Its totient is φ = 147022387200.

The previous prime is 241256420513. The next prime is 241256420641. The reversal of 241256420613 is 316024652142.

241256420613 is a `hidden beast` number, since 2 + 4 + 1 + 2 + 5 + 642 + 0 + 6 + 1 + 3 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2285031204 + 238971389409 = 47802^2 + 488847^2 .

It is not a de Polignac number, because 241256420613 - 2⁸ = 241256420357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241256420653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29850733 + ... + 29858813.

It is an arithmetic number, because the mean of its divisors is an integer number (7894571685).

Almost surely, 2^241256420613 is an apocalyptic number.

It is an amenable number.

241256420613 is a deficient number, since it is larger than the sum of its proper divisors (137683020267).

241256420613 is a wasteful number, since it uses less digits than its factorization.

241256420613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550 (or 10547 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 241256420613 in words is "two hundred forty-one billion, two hundred fifty-six million, four hundred twenty thousand, six hundred thirteen".