743485409489 has 2 divisors, whose sum is σ = 743485409490. Its totient is φ = 743485409488.

The previous prime is 743485409483. The next prime is 743485409531. The reversal of 743485409489 is 984904584347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523329262225 + 220156147264 = 723415^2 + 469208^2 .

It is an emirp because it is prime and its reverse (984904584347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 743485409489 - 2⁴ = 743485409473 is a prime.

It is a super-2 number, since 2×743485409489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743485409483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371742704744 + 371742704745.

It is an arithmetic number, because the mean of its divisors is an integer number (371742704745).

Almost surely, 2^743485409489 is an apocalyptic number.

It is an amenable number.

743485409489 is a deficient number, since it is larger than the sum of its proper divisors (1).

743485409489 is an equidigital number, since it uses as much as digits as its factorization.

743485409489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 743485409489 in words is "seven hundred forty-three billion, four hundred eighty-five million, four hundred nine thousand, four hundred eighty-nine".