411057643 has 2 divisors, whose sum is σ = 411057644. Its totient is φ = 411057642.

The previous prime is 411057631. The next prime is 411057649. The reversal of 411057643 is 346750114.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 411057643 - 2⁹ = 411057131 is a prime.

It is not a weakly prime, because it can be changed into another prime (411057649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205528821 + 205528822.

It is an arithmetic number, because the mean of its divisors is an integer number (205528822).

Almost surely, 2^411057643 is an apocalyptic number.

411057643 is a deficient number, since it is larger than the sum of its proper divisors (1).

411057643 is an equidigital number, since it uses as much as digits as its factorization.

411057643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 411057643 is about 20274.5565426226. The cubic root of 411057643 is about 743.5341312832.

The spelling of 411057643 in words is "four hundred eleven million, fifty-seven thousand, six hundred forty-three".