241669909 has 8 divisors (see below), whose sum is σ = 275569560. Its totient is φ = 209957376.

The previous prime is 241669891. The next prime is 241669921. The reversal of 241669909 is 909966142.

It can be written as a sum of positive squares in 4 ways, for example, as 1512900 + 240157009 = 1230^2 + 15497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241669909 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 (241669969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546544 + ... + 546985.

It is an arithmetic number, because the mean of its divisors is an integer number (34446195).

Almost surely, 2^241669909 is an apocalyptic number.

It is an amenable number.

241669909 is a deficient number, since it is larger than the sum of its proper divisors (33899651).

241669909 is a wasteful number, since it uses less digits than its factorization.

241669909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093559.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 241669909 is about 15545.7360391845. The cubic root of 241669909 is about 622.8845032365.

The spelling of 241669909 in words is "two hundred forty-one million, six hundred sixty-nine thousand, nine hundred nine".