1862438848985 has 192 divisors, whose sum is σ = 2840818417920. Its totient is φ = 1155098050560.

The previous prime is 1862438848861. The next prime is 1862438848993. The reversal of 1862438848985 is 5898488342681.

It is not a de Polignac number, because 1862438848985 - 2¹⁶ = 1862438783449 is a prime.

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 191 ways as a sum of consecutive naturals, for example, 1827711806 + ... + 1827712824.

It is an arithmetic number, because the mean of its divisors is an integer number (14795929260).

Almost surely, 2^{1862438848985} is an apocalyptic number.

It is an amenable number.

1862438848985 is a deficient number, since it is larger than the sum of its proper divisors (978379568935).

1862438848985 is a wasteful number, since it uses less digits than its factorization.

1862438848985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1237 counting only the distinct ones).

The product of its digits is 849346560, while the sum is 74.

The spelling of 1862438848985 in words is "one trillion, eight hundred sixty-two billion, four hundred thirty-eight million, eight hundred forty-eight thousand, nine hundred eighty-five".