1868140283 has 2 divisors, whose sum is σ = 1868140284. Its totient is φ = 1868140282.

The previous prime is 1868140273. The next prime is 1868140301. The reversal of 1868140283 is 3820418681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1868140283 - 2²⁴ = 1851363067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1868140283.

It is not a weakly prime, because it can be changed into another prime (1868140273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934070141 + 934070142.

It is an arithmetic number, because the mean of its divisors is an integer number (934070142).

Almost surely, 2^1868140283 is an apocalyptic number.

1868140283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868140283 is an equidigital number, since it uses as much as digits as its factorization.

1868140283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 1868140283 is about 43221.9884202474. The cubic root of 1868140283 is about 1231.6004202828.

The spelling of 1868140283 in words is "one billion, eight hundred sixty-eight million, one hundred forty thousand, two hundred eighty-three".