19866982283 has 2 divisors, whose sum is σ = 19866982284. Its totient is φ = 19866982282.

The previous prime is 19866982277. The next prime is 19866982309. The reversal of 19866982283 is 38228966891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19866982283 - 2²⁸ = 19598546827 is a prime.

It is not a weakly prime, because it can be changed into another prime (19866981283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9933491141 + 9933491142.

It is an arithmetic number, because the mean of its divisors is an integer number (9933491142).

Almost surely, 2^19866982283 is an apocalyptic number.

19866982283 is a deficient number, since it is larger than the sum of its proper divisors (1).

19866982283 is an equidigital number, since it uses as much as digits as its factorization.

19866982283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 62.

The spelling of 19866982283 in words is "nineteen billion, eight hundred sixty-six million, nine hundred eighty-two thousand, two hundred eighty-three".