818708741 has 2 divisors, whose sum is σ = 818708742. Its totient is φ = 818708740.

The previous prime is 818708719. The next prime is 818708747. The reversal of 818708741 is 147807818.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792647716 + 26061025 = 28154^2 + 5105^2 .

It is a cyclic number.

It is not a de Polignac number, because 818708741 - 2¹⁸ = 818446597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 818708692 and 818708701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818708747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409354370 + 409354371.

It is an arithmetic number, because the mean of its divisors is an integer number (409354371).

Almost surely, 2^818708741 is an apocalyptic number.

It is an amenable number.

818708741 is a deficient number, since it is larger than the sum of its proper divisors (1).

818708741 is an equidigital number, since it uses as much as digits as its factorization.

818708741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100352, while the sum is 44.

The square root of 818708741 is about 28613.0868834525. The cubic root of 818708741 is about 935.4986010636.

The spelling of 818708741 in words is "eight hundred eighteen million, seven hundred eight thousand, seven hundred forty-one".