99818353 has 2 divisors, whose sum is σ = 99818354. Its totient is φ = 99818352.

The previous prime is 99818333. The next prime is 99818359. The reversal of 99818353 is 35381899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60730849 + 39087504 = 7793^2 + 6252^2 .

99818353 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 99818353 - 2²¹ = 97721201 is a prime.

It is not a weakly prime, because it can be changed into another prime (99818359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49909176 + 49909177.

It is an arithmetic number, because the mean of its divisors is an integer number (49909177).

Almost surely, 2^99818353 is an apocalyptic number.

It is an amenable number.

99818353 is a deficient number, since it is larger than the sum of its proper divisors (1).

99818353 is an equidigital number, since it uses as much as digits as its factorization.

99818353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The square root of 99818353 is about 9990.9135217957. The cubic root of 99818353 is about 463.8776694580.

The spelling of 99818353 in words is "ninety-nine million, eight hundred eighteen thousand, three hundred fifty-three".