1856676849364 has 12 divisors (see below), whose sum is σ = 3328432888788. Its totient is φ = 905696024000.

The previous prime is 1856676849341. The next prime is 1856676849371. The reversal of 1856676849364 is 4639486766581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73538592400 + 1783138256964 = 271180^2 + 1335342^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660599987 + ... + 5660600314.

It is an arithmetic number, because the mean of its divisors is an integer number (277369407399).

Almost surely, 2^{1856676849364} is an apocalyptic number.

It is an amenable number.

1856676849364 is a deficient number, since it is larger than the sum of its proper divisors (1471756039424).

1856676849364 is a wasteful number, since it uses less digits than its factorization.

1856676849364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321200346 (or 11321200344 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 73.

The spelling of 1856676849364 in words is "one trillion, eight hundred fifty-six billion, six hundred seventy-six million, eight hundred forty-nine thousand, three hundred sixty-four".