1806453404855 has 16 divisors (see below), whose sum is σ = 2467629633024. Its totient is φ = 1256663237280.

The previous prime is 1806453404759. The next prime is 1806453404891. The reversal of 1806453404855 is 5584043546081.

It is not a de Polignac number, because 1806453404855 - 2¹⁰ = 1806453403831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1806453404797 and 1806453404806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714011939 + ... + 714014468.

It is an arithmetic number, because the mean of its divisors is an integer number (154226852064).

Almost surely, 2^{1806453404855} is an apocalyptic number.

1806453404855 is a deficient number, since it is larger than the sum of its proper divisors (661176228169).

1806453404855 is a wasteful number, since it uses less digits than its factorization.

1806453404855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428026446.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 1806453404855 in words is "one trillion, eight hundred six billion, four hundred fifty-three million, four hundred four thousand, eight hundred fifty-five".