411541649 has 2 divisors, whose sum is σ = 411541650. Its totient is φ = 411541648.

The previous prime is 411541619. The next prime is 411541651. The reversal of 411541649 is 946145114.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262213249 + 149328400 = 16193^2 + 12220^2 .

It is a cyclic number.

It is not a de Polignac number, because 411541649 - 2²⁰ = 410493073 is a prime.

Together with 411541651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (411541619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205770824 + 205770825.

It is an arithmetic number, because the mean of its divisors is an integer number (205770825).

Almost surely, 2^411541649 is an apocalyptic number.

It is an amenable number.

411541649 is a deficient number, since it is larger than the sum of its proper divisors (1).

411541649 is an equidigital number, since it uses as much as digits as its factorization.

411541649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 411541649 is about 20286.4893217136. The cubic root of 411541649 is about 743.8258452982.

The spelling of 411541649 in words is "four hundred eleven million, five hundred forty-one thousand, six hundred forty-nine".