804393060123321 has 10 divisors (see below), whose sum is σ = 1201624200925082. Its totient is φ = 536262040082160.

The previous prime is 804393060123259. The next prime is 804393060123329. The reversal of 804393060123321 is 123321060393408.

804393060123321 is a `hidden beast` number, since 8 + 0 + 4 + 3 + 9 + 3 + 0 + 601 + 2 + 3 + 32 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 446325241740921 + 358067818382400 = 21126411^2 + 18922680^2 .

It is not a de Polignac number, because 804393060123321 - 2²¹ = 804393058026169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804393060123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4965389259940 + ... + 4965389260101.

Almost surely, 2^{804393060123321} is an apocalyptic number.

804393060123321 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

804393060123321 is a deficient number, since it is larger than the sum of its proper divisors (397231140801761).

804393060123321 is an equidigital number, since it uses as much as digits as its factorization.

804393060123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9930778520053 (or 9930778520044 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 804393060123321 in words is "eight hundred four trillion, three hundred ninety-three billion, sixty million, one hundred twenty-three thousand, three hundred twenty-one".