241091639 has 2 divisors, whose sum is σ = 241091640. Its totient is φ = 241091638.

The previous prime is 241091633. The next prime is 241091663. The reversal of 241091639 is 936190142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241091639 - 2¹² = 241087543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241091599 and 241091608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241091633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120545819 + 120545820.

It is an arithmetic number, because the mean of its divisors is an integer number (120545820).

Almost surely, 2^241091639 is an apocalyptic number.

241091639 is a deficient number, since it is larger than the sum of its proper divisors (1).

241091639 is an equidigital number, since it uses as much as digits as its factorization.

241091639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 241091639 is about 15527.1259091952. The cubic root of 241091639 is about 622.3872918423.

It can be divided in two parts, 2410 and 91639, that added together give a palindrome (94049).

The spelling of 241091639 in words is "two hundred forty-one million, ninety-one thousand, six hundred thirty-nine".