603645226489 has 2 divisors, whose sum is σ = 603645226490. Its totient is φ = 603645226488.

The previous prime is 603645226477. The next prime is 603645226507. The reversal of 603645226489 is 984622546306.

603645226489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341152950889 + 262492275600 = 584083^2 + 512340^2 .

It is a cyclic number.

It is not a de Polignac number, because 603645226489 - 2²⁵ = 603611672057 is a prime.

It is a super-2 number, since 2×603645226489² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (603645226409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301822613244 + 301822613245.

It is an arithmetic number, because the mean of its divisors is an integer number (301822613245).

Almost surely, 2^603645226489 is an apocalyptic number.

It is an amenable number.

603645226489 is a deficient number, since it is larger than the sum of its proper divisors (1).

603645226489 is an equidigital number, since it uses as much as digits as its factorization.

603645226489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 603645226489 in words is "six hundred three billion, six hundred forty-five million, two hundred twenty-six thousand, four hundred eighty-nine".