241665309797 has 4 divisors (see below), whose sum is σ = 241682933760. Its totient is φ = 241647685836.

The previous prime is 241665309793. The next prime is 241665309799. The reversal of 241665309797 is 797903566142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241665309797 - 2² = 241665309793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241665309793) 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, 8791397 + ... + 8818842.

It is an arithmetic number, because the mean of its divisors is an integer number (60420733440).

Almost surely, 2^241665309797 is an apocalyptic number.

It is an amenable number.

241665309797 is a deficient number, since it is larger than the sum of its proper divisors (17623963).

241665309797 is a wasteful number, since it uses less digits than its factorization.

241665309797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17623962.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 241665309797 in words is "two hundred forty-one billion, six hundred sixty-five million, three hundred nine thousand, seven hundred ninety-seven".