1841218801 has 2 divisors, whose sum is σ = 1841218802. Its totient is φ = 1841218800.

The previous prime is 1841218751. The next prime is 1841218817. The reversal of 1841218801 is 1088121481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1503578176 + 337640625 = 38776^2 + 18375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1841218801 - 2⁹ = 1841218289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1841218831) 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, 920609400 + 920609401.

It is an arithmetic number, because the mean of its divisors is an integer number (920609401).

Almost surely, 2^1841218801 is an apocalyptic number.

It is an amenable number.

1841218801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841218801 is an equidigital number, since it uses as much as digits as its factorization.

1841218801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 34.

The square root of 1841218801 is about 42909.4255496389. The cubic root of 1841218801 is about 1225.6556370363.

The spelling of 1841218801 in words is "one billion, eight hundred forty-one million, two hundred eighteen thousand, eight hundred one".