241689649 has 4 divisors (see below), whose sum is σ = 241721200. Its totient is φ = 241658100.

The previous prime is 241689631. The next prime is 241689653. The reversal of 241689649 is 946986142.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 241689649 - 2¹⁵ = 241656881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241689659) 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, 3874 + ... + 22324.

It is an arithmetic number, because the mean of its divisors is an integer number (60430300).

Almost surely, 2^241689649 is an apocalyptic number.

It is an amenable number.

241689649 is a deficient number, since it is larger than the sum of its proper divisors (31551).

241689649 is a wasteful number, since it uses less digits than its factorization.

241689649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31550.

The product of its digits is 746496, while the sum is 49.

The square root of 241689649 is about 15546.3709270042. The cubic root of 241689649 is about 622.9014621887.

The spelling of 241689649 in words is "two hundred forty-one million, six hundred eighty-nine thousand, six hundred forty-nine".