818650411 has 2 divisors, whose sum is σ = 818650412. Its totient is φ = 818650410.

The previous prime is 818650361. The next prime is 818650423. The reversal of 818650411 is 114056818.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 818650411 - 2¹³ = 818642219 is a prime.

It is not a weakly prime, because it can be changed into another prime (818650471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409325205 + 409325206.

It is an arithmetic number, because the mean of its divisors is an integer number (409325206).

Almost surely, 2^818650411 is an apocalyptic number.

818650411 is a deficient number, since it is larger than the sum of its proper divisors (1).

818650411 is an equidigital number, since it uses as much as digits as its factorization.

818650411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 818650411 is about 28612.0675764615. The cubic root of 818650411 is about 935.4763835860.

The spelling of 818650411 in words is "eight hundred eighteen million, six hundred fifty thousand, four hundred eleven".