818240741 has 2 divisors, whose sum is σ = 818240742. Its totient is φ = 818240740.

The previous prime is 818240711. The next prime is 818240749. The reversal of 818240741 is 147042818.

818240741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537544225 + 280696516 = 23185^2 + 16754^2 .

It is a cyclic number.

It is not a de Polignac number, because 818240741 - 2¹⁸ = 817978597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818240749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409120370 + 409120371.

It is an arithmetic number, because the mean of its divisors is an integer number (409120371).

Almost surely, 2^818240741 is an apocalyptic number.

It is an amenable number.

818240741 is a deficient number, since it is larger than the sum of its proper divisors (1).

818240741 is an equidigital number, since it uses as much as digits as its factorization.

818240741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 818240741 is about 28604.9076383756. The cubic root of 818240741 is about 935.3203134861.

The spelling of 818240741 in words is "eight hundred eighteen million, two hundred forty thousand, seven hundred forty-one".