1801484133 has 4 divisors (see below), whose sum is σ = 2401978848. Its totient is φ = 1200989420.

The previous prime is 1801484129. The next prime is 1801484161. The reversal of 1801484133 is 3314841081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3314841081 = 3 ⋅1104947027.

It is a cyclic number.

It is not a de Polignac number, because 1801484133 - 2² = 1801484129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1801484094 and 1801484103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801484233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300247353 + ... + 300247358.

It is an arithmetic number, because the mean of its divisors is an integer number (600494712).

Almost surely, 2^1801484133 is an apocalyptic number.

It is an amenable number.

1801484133 is a deficient number, since it is larger than the sum of its proper divisors (600494715).

1801484133 is an equidigital number, since it uses as much as digits as its factorization.

1801484133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600494714.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1801484133 is about 42443.8939424742. The cubic root of 1801484133 is about 1216.7746330743.

The spelling of 1801484133 in words is "one billion, eight hundred one million, four hundred eighty-four thousand, one hundred thirty-three".