7242142610489 has 2 divisors, whose sum is σ = 7242142610490. Its totient is φ = 7242142610488.

The previous prime is 7242142610449. The next prime is 7242142610539. The reversal of 7242142610489 is 9840162412427.

It is an a-pointer prime, because the next prime (7242142610539) can be obtained adding 7242142610489 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4867353739264 + 2374788871225 = 2206208^2 + 1541035^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242142610489 - 2⁸ = 7242142610233 is a prime.

It is not a weakly prime, because it can be changed into another prime (7242142610419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621071305244 + 3621071305245.

It is an arithmetic number, because the mean of its divisors is an integer number (3621071305245).

Almost surely, 2^{7242142610489} is an apocalyptic number.

It is an amenable number.

7242142610489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242142610489 is an equidigital number, since it uses as much as digits as its factorization.

7242142610489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 7242142610489 in words is "seven trillion, two hundred forty-two billion, one hundred forty-two million, six hundred ten thousand, four hundred eighty-nine".