1863204427804 has 12 divisors (see below), whose sum is σ = 3268352663128. Its totient is φ = 929389381200.

The previous prime is 1863204427787. The next prime is 1863204427817. The reversal of 1863204427804 is 4087244023681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553206282 + ... + 553209649.

Almost surely, 2^{1863204427804} is an apocalyptic number.

It is an amenable number.

1863204427804 is a deficient number, since it is larger than the sum of its proper divisors (1405148235324).

1863204427804 is a wasteful number, since it uses less digits than its factorization.

1863204427804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106416356 (or 1106416354 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 1863204427804 in words is "one trillion, eight hundred sixty-three billion, two hundred four million, four hundred twenty-seven thousand, eight hundred four".