10421245489 has 2 divisors, whose sum is σ = 10421245490. Its totient is φ = 10421245488.

The previous prime is 10421245453. The next prime is 10421245493. The reversal of 10421245489 is 98454212401.

10421245489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8614995489 + 1806250000 = 92817^2 + 42500^2 .

It is an emirp because it is prime and its reverse (98454212401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10421245489 - 2²⁵ = 10387691057 is a prime.

It is not a weakly prime, because it can be changed into another prime (10421245189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210622744 + 5210622745.

It is an arithmetic number, because the mean of its divisors is an integer number (5210622745).

Almost surely, 2^10421245489 is an apocalyptic number.

It is an amenable number.

10421245489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421245489 is an equidigital number, since it uses as much as digits as its factorization.

10421245489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 10421245489 in words is "ten billion, four hundred twenty-one million, two hundred forty-five thousand, four hundred eighty-nine".