1804936098361 has 16 divisors (see below), whose sum is σ = 1973898747648. Its totient is φ = 1636787174400.

The previous prime is 1804936098359. The next prime is 1804936098367. The reversal of 1804936098361 is 1638906394081.

It is a cyclic number.

It is not a de Polignac number, because 1804936098361 - 2¹ = 1804936098359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1804936098296 and 1804936098305.

It is not an unprimeable number, because it can be changed into a prime (1804936098367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84676441 + ... + 84697753.

It is an arithmetic number, because the mean of its divisors is an integer number (123368671728).

Almost surely, 2^{1804936098361} is an apocalyptic number.

1804936098361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1804936098361 is a deficient number, since it is larger than the sum of its proper divisors (168962649287).

1804936098361 is a wasteful number, since it uses less digits than its factorization.

1804936098361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40032.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 1804936098361 in words is "one trillion, eight hundred four billion, nine hundred thirty-six million, ninety-eight thousand, three hundred sixty-one".