818342361 has 6 divisors (see below), whose sum is σ = 1182050090. Its totient is φ = 545561568.

The previous prime is 818342359. The next prime is 818342363. The reversal of 818342361 is 163243818.

It is an interprime number because it is at equal distance from previous prime (818342359) and next prime (818342363).

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 105452361 = 26700^2 + 10269^2 .

It is not a de Polignac number, because 818342361 - 2¹ = 818342359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818342363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45463456 + ... + 45463473.

Almost surely, 2^818342361 is an apocalyptic number.

It is an amenable number.

818342361 is a deficient number, since it is larger than the sum of its proper divisors (363707729).

818342361 is a wasteful number, since it uses less digits than its factorization.

818342361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90926935 (or 90926932 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 818342361 is about 28606.6838518553. The cubic root of 818342361 is about 935.3590320486.

The spelling of 818342361 in words is "eight hundred eighteen million, three hundred forty-two thousand, three hundred sixty-one".