273785051321804 has 24 divisors (see below), whose sum is σ = 522903254276928. Its totient is φ = 124394726373840.

The previous prime is 273785051321779. The next prime is 273785051321843. The reversal of 273785051321804 is 408123150587372.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 273785051321804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325501234 + ... + 1325707769.

It is an arithmetic number, because the mean of its divisors is an integer number (21787635594872).

Almost surely, 2^{273785051321804} is an apocalyptic number.

It is an amenable number.

273785051321804 is a deficient number, since it is larger than the sum of its proper divisors (249118202955124).

273785051321804 is a wasteful number, since it uses less digits than its factorization.

273785051321804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651211365 (or 2651211363 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 273785051321804 in words is "two hundred seventy-three trillion, seven hundred eighty-five billion, fifty-one million, three hundred twenty-one thousand, eight hundred four".