1804897555706 has 12 divisors (see below), whose sum is σ = 3149362061658. Its totient is φ = 773527523832.

The previous prime is 1804897555651. The next prime is 1804897555709. The reversal of 1804897555706 is 6075557984081.

It can be written as a sum of positive squares in only one way, i.e., 1218394308481 + 586503247225 = 1103809^2 + 765835^2 .

It is not an unprimeable number, because it can be changed into a prime (1804897555709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9208660901 + ... + 9208661096.

Almost surely, 2^{1804897555706} is an apocalyptic number.

1804897555706 is a deficient number, since it is larger than the sum of its proper divisors (1344464505952).

1804897555706 is a wasteful number, since it uses less digits than its factorization.

1804897555706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18417322013 (or 18417322006 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 65.

The spelling of 1804897555706 in words is "one trillion, eight hundred four billion, eight hundred ninety-seven million, five hundred fifty-five thousand, seven hundred six".