18782877242999 has 2 divisors, whose sum is σ = 18782877243000. Its totient is φ = 18782877242998.

The previous prime is 18782877242989. The next prime is 18782877243007. The reversal of 18782877242999 is 99924277828781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18782877242999 - 2³² = 18778582275703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18782877242989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9391438621499 + 9391438621500.

It is an arithmetic number, because the mean of its divisors is an integer number (9391438621500).

Almost surely, 2^{18782877242999} is an apocalyptic number.

18782877242999 is a deficient number, since it is larger than the sum of its proper divisors (1).

18782877242999 is an equidigital number, since it uses as much as digits as its factorization.

18782877242999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096770048, while the sum is 83.

The spelling of 18782877242999 in words is "eighteen trillion, seven hundred eighty-two billion, eight hundred seventy-seven million, two hundred forty-two thousand, nine hundred ninety-nine".