1868141284 has 9 divisors (see below), whose sum is σ = 3269398531. Its totient is φ = 934027420.

The previous prime is 1868141243. The next prime is 1868141371. The reversal of 1868141284 is 4821418681.

The square root of 1868141284 is 43222.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1868141284.

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 2 ways as a sum of consecutive naturals, for example, 75639 + ... + 97249.

Almost surely, 2^1868141284 is an apocalyptic number.

1868141284 is the 43222-nd square number.

It is an amenable number.

1868141284 is a deficient number, since it is larger than the sum of its proper divisors (1401257247).

1868141284 is an frugal number, since it uses more digits than its factorization.

1868141284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43226 (or 21613 counting only the distinct ones).

The product of its digits is 98304, while the sum is 43.

The cubic root of 1868141284 is about 1231.6006402577.

The spelling of 1868141284 in words is "one billion, eight hundred sixty-eight million, one hundred forty-one thousand, two hundred eighty-four".