18674835353 has 8 divisors (see below), whose sum is σ = 18752889960. Its totient is φ = 18596823040.

The previous prime is 18674835341. The next prime is 18674835367. The reversal of 18674835353 is 35353847681.

It can be written as a sum of positive squares in 4 ways, for example, as 3092805769 + 15582029584 = 55613^2 + 124828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18674835353 - 2¹⁰ = 18674834329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18674835295 and 18674835304.

It is not an unprimeable number, because it can be changed into a prime (18674835373) 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 in 7 ways as a sum of consecutive naturals, for example, 1124873 + ... + 1141353.

It is an arithmetic number, because the mean of its divisors is an integer number (2344111245).

Almost surely, 2^18674835353 is an apocalyptic number.

It is an amenable number.

18674835353 is a deficient number, since it is larger than the sum of its proper divisors (78054607).

18674835353 is a wasteful number, since it uses less digits than its factorization.

18674835353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21147.

The product of its digits is 7257600, while the sum is 53.

The spelling of 18674835353 in words is "eighteen billion, six hundred seventy-four million, eight hundred thirty-five thousand, three hundred fifty-three".