241647869 has 2 divisors, whose sum is σ = 241647870. Its totient is φ = 241647868.

The previous prime is 241647863. The next prime is 241647907. The reversal of 241647869 is 968746142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226863844 + 14784025 = 15062^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 241647869 - 2⁸ = 241647613 is a prime.

It is a super-2 number, since 2×241647869² = 116787385184482322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241647863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120823934 + 120823935.

It is an arithmetic number, because the mean of its divisors is an integer number (120823935).

Almost surely, 2^241647869 is an apocalyptic number.

It is an amenable number.

241647869 is a deficient number, since it is larger than the sum of its proper divisors (1).

241647869 is an equidigital number, since it uses as much as digits as its factorization.

241647869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 241647869 is about 15545.0271469689. The cubic root of 241647869 is about 622.8655672260.

The spelling of 241647869 in words is "two hundred forty-one million, six hundred forty-seven thousand, eight hundred sixty-nine".