241643653641 has 12 divisors (see below), whose sum is σ = 375890128068. Its totient is φ = 148703786784.

The previous prime is 241643653637. The next prime is 241643653687. The reversal of 241643653641 is 146356346142.

241643653641 is a `hidden beast` number, since 2 + 41 + 6 + 4 + 36 + 536 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130914436041 + 110729217600 = 361821^2 + 332760^2 .

It is not a de Polignac number, because 241643653641 - 2² = 241643653637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241643653241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1032665070 + ... + 1032665303.

It is an arithmetic number, because the mean of its divisors is an integer number (31324177339).

Almost surely, 2^241643653641 is an apocalyptic number.

It is an amenable number.

241643653641 is a deficient number, since it is larger than the sum of its proper divisors (134246474427).

241643653641 is a wasteful number, since it uses less digits than its factorization.

241643653641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065330392 (or 2065330389 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

Adding to 241643653641 its reverse (146356346142), we get a palindrome (387999999783).

The spelling of 241643653641 in words is "two hundred forty-one billion, six hundred forty-three million, six hundred fifty-three thousand, six hundred forty-one".