724756000609 has 2 divisors, whose sum is σ = 724756000610. Its totient is φ = 724756000608.

The previous prime is 724756000547. The next prime is 724756000651. The reversal of 724756000609 is 906000657427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544390157584 + 180365843025 = 737828^2 + 424695^2 .

It is an emirp because it is prime and its reverse (906000657427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724756000609 - 2¹³ = 724755992417 is a prime.

It is not a weakly prime, because it can be changed into another prime (724756000679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362378000304 + 362378000305.

It is an arithmetic number, because the mean of its divisors is an integer number (362378000305).

Almost surely, 2^724756000609 is an apocalyptic number.

It is an amenable number.

724756000609 is a deficient number, since it is larger than the sum of its proper divisors (1).

724756000609 is an equidigital number, since it uses as much as digits as its factorization.

724756000609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 724756000609 in words is "seven hundred twenty-four billion, seven hundred fifty-six million, six hundred nine", and thus it is an aban number.