1808538243035 has 16 divisors (see below), whose sum is σ = 2225345265696. Its totient is φ = 1410542926848.

The previous prime is 1808538243011. The next prime is 1808538243053. The reversal of 1808538243035 is 5303428358081.

It is a cyclic number.

It is not a de Polignac number, because 1808538243035 - 2⁶ = 1808538242971 is a prime.

It is a super-2 number, since 2×1808538243035² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27795452 + ... + 27860441.

It is an arithmetic number, because the mean of its divisors is an integer number (139084079106).

Almost surely, 2^{1808538243035} is an apocalyptic number.

1808538243035 is a deficient number, since it is larger than the sum of its proper divisors (416807022661).

1808538243035 is an equidigital number, since it uses as much as digits as its factorization.

1808538243035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55656062.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 1808538243035 in words is "one trillion, eight hundred eight billion, five hundred thirty-eight million, two hundred forty-three thousand, thirty-five".