1806802801 has 8 divisors (see below), whose sum is σ = 1869956424. Its totient is φ = 1744558080.

The previous prime is 1806802771. The next prime is 1806802813. The reversal of 1806802801 is 1082086081.

It can be written as a sum of positive squares in 4 ways, for example, as 101525776 + 1705277025 = 10076^2 + 41295^2 .

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 1806802801 - 2⁵ = 1806802769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1806802841) 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, 223180 + ... + 231133.

It is an arithmetic number, because the mean of its divisors is an integer number (233744553).

Almost surely, 2^1806802801 is an apocalyptic number.

It is an amenable number.

1806802801 is a deficient number, since it is larger than the sum of its proper divisors (63153623).

1806802801 is an equidigital number, since it uses as much as digits as its factorization.

1806802801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454451.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 1806802801 is about 42506.5030436520. The cubic root of 1806802801 is about 1217.9709174258.

Adding to 1806802801 its reverse (1082086081), we get a palindrome (2888888882).

The spelling of 1806802801 in words is "one billion, eight hundred six million, eight hundred two thousand, eight hundred one".