1918352353 has 2 divisors, whose sum is σ = 1918352354. Its totient is φ = 1918352352.

The previous prime is 1918352311. The next prime is 1918352377. The reversal of 1918352353 is 3532538191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1917739264 + 613089 = 43792^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1918352353 - 2¹⁷ = 1918221281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1918352383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959176176 + 959176177.

It is an arithmetic number, because the mean of its divisors is an integer number (959176177).

Almost surely, 2^1918352353 is an apocalyptic number.

It is an amenable number.

1918352353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1918352353 is an equidigital number, since it uses as much as digits as its factorization.

1918352353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 1918352353 is about 43798.9994520423. Note that the first 3 decimals coincide. The cubic root of 1918352353 is about 1242.5373713064.

The spelling of 1918352353 in words is "one billion, nine hundred eighteen million, three hundred fifty-two thousand, three hundred fifty-three".