1868367243 has 16 divisors (see below), whose sum is σ = 2565998336. Its totient is φ = 1208541600.

The previous prime is 1868367233. The next prime is 1868367247. The reversal of 1868367243 is 3427638681.

It is not a de Polignac number, because 1868367243 - 2⁴ = 1868367227 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1868367192 and 1868367201.

It is not an unprimeable number, because it can be changed into a prime (1868367247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28480 + ... + 67437.

It is an arithmetic number, because the mean of its divisors is an integer number (160374896).

Almost surely, 2^1868367243 is an apocalyptic number.

1868367243 is a deficient number, since it is larger than the sum of its proper divisors (697631093).

1868367243 is a wasteful number, since it uses less digits than its factorization.

1868367243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96114.

The product of its digits is 1161216, while the sum is 48.

The square root of 1868367243 is about 43224.6138559964. The cubic root of 1868367243 is about 1231.6502938950.

The spelling of 1868367243 in words is "one billion, eight hundred sixty-eight million, three hundred sixty-seven thousand, two hundred forty-three".