241577108621 has 2 divisors, whose sum is σ = 241577108622. Its totient is φ = 241577108620.

The previous prime is 241577108611. The next prime is 241577108623. The reversal of 241577108621 is 126801775142.

241577108621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228542319721 + 13034788900 = 478061^2 + 114170^2 .

It is a cyclic number.

It is not a de Polignac number, because 241577108621 - 2¹⁸ = 241576846477 is a prime.

Together with 241577108623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241577108623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120788554310 + 120788554311.

It is an arithmetic number, because the mean of its divisors is an integer number (120788554311).

Almost surely, 2^241577108621 is an apocalyptic number.

It is an amenable number.

241577108621 is a deficient number, since it is larger than the sum of its proper divisors (1).

241577108621 is an equidigital number, since it uses as much as digits as its factorization.

241577108621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 241577108621 in words is "two hundred forty-one billion, five hundred seventy-seven million, one hundred eight thousand, six hundred twenty-one".