241240242421 has 4 divisors (see below), whose sum is σ = 249558871500. Its totient is φ = 232921613344.

The previous prime is 241240242389. The next prime is 241240242433. The reversal of 241240242421 is 124242042142.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43299783396 + 197940459025 = 208086^2 + 444905^2 .

It is a cyclic number.

It is not a de Polignac number, because 241240242421 - 2⁵ = 241240242389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241240242421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241240242491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159314496 + ... + 4159314553.

It is an arithmetic number, because the mean of its divisors is an integer number (62389717875).

Almost surely, 2^241240242421 is an apocalyptic number.

It is an amenable number.

241240242421 is a deficient number, since it is larger than the sum of its proper divisors (8318629079).

241240242421 is an equidigital number, since it uses as much as digits as its factorization.

241240242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318629078.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 241240242421 its reverse (124242042142), we get a palindrome (365482284563).

The spelling of 241240242421 in words is "two hundred forty-one billion, two hundred forty million, two hundred forty-two thousand, four hundred twenty-one".