1942242422987 has 2 divisors, whose sum is σ = 1942242422988. Its totient is φ = 1942242422986.

The previous prime is 1942242422941. The next prime is 1942242423013. The reversal of 1942242422987 is 7892242422491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1942242422987 - 2¹⁰ = 1942242421963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1942242452987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971121211493 + 971121211494.

It is an arithmetic number, because the mean of its divisors is an integer number (971121211494).

Almost surely, 2^{1942242422987} is an apocalyptic number.

1942242422987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942242422987 is an equidigital number, since it uses as much as digits as its factorization.

1942242422987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 56.

The spelling of 1942242422987 in words is "one trillion, nine hundred forty-two billion, two hundred forty-two million, four hundred twenty-two thousand, nine hundred eighty-seven".