1804464867867 has 4 divisors (see below), whose sum is σ = 2405953157160. Its totient is φ = 1202976578576.

The previous prime is 1804464867853. The next prime is 1804464867871. The reversal of 1804464867867 is 7687684644081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1804464867867 - 2⁴ = 1804464867851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1804464867847) 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 3 ways as a sum of consecutive naturals, for example, 300744144642 + ... + 300744144647.

It is an arithmetic number, because the mean of its divisors is an integer number (601488289290).

Almost surely, 2^{1804464867867} is an apocalyptic number.

1804464867867 is a deficient number, since it is larger than the sum of its proper divisors (601488289293).

1804464867867 is an equidigital number, since it uses as much as digits as its factorization.

1804464867867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601488289292.

The product of its (nonzero) digits is 346816512, while the sum is 69.

The spelling of 1804464867867 in words is "one trillion, eight hundred four billion, four hundred sixty-four million, eight hundred sixty-seven thousand, eight hundred sixty-seven".