1242668719283 has 2 divisors, whose sum is σ = 1242668719284. Its totient is φ = 1242668719282.

The previous prime is 1242668719267. The next prime is 1242668719301. The reversal of 1242668719283 is 3829178662421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242668719283 - 2⁴ = 1242668719267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1242668719783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621334359641 + 621334359642.

It is an arithmetic number, because the mean of its divisors is an integer number (621334359642).

Almost surely, 2^{1242668719283} is an apocalyptic number.

1242668719283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242668719283 is an equidigital number, since it uses as much as digits as its factorization.

1242668719283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 59.

The spelling of 1242668719283 in words is "one trillion, two hundred forty-two billion, six hundred sixty-eight million, seven hundred nineteen thousand, two hundred eighty-three".