1854945476404 has 6 divisors (see below), whose sum is σ = 3246154583714. Its totient is φ = 927472738200.

The previous prime is 1854945476401. The next prime is 1854945476441. The reversal of 1854945476404 is 4046745494581.

It can be written as a sum of positive squares in only one way, i.e., 1844973456804 + 9972019600 = 1358298^2 + 99860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1854945476401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231868184547 + ... + 231868184554.

Almost surely, 2^{1854945476404} is an apocalyptic number.

It is an amenable number.

1854945476404 is a deficient number, since it is larger than the sum of its proper divisors (1391209107310).

1854945476404 is a wasteful number, since it uses less digits than its factorization.

1854945476404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463736369105 (or 463736369103 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 61.

The spelling of 1854945476404 in words is "one trillion, eight hundred fifty-four billion, nine hundred forty-five million, four hundred seventy-six thousand, four hundred four".