724145420532673 has 2 divisors, whose sum is σ = 724145420532674. Its totient is φ = 724145420532672.

The previous prime is 724145420532623. The next prime is 724145420532713. The reversal of 724145420532673 is 376235024541427.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555799155104449 + 168346265428224 = 23575393^2 + 12974832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724145420532673 is a prime.

It is not a weakly prime, because it can be changed into another prime (724145420532623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362072710266336 + 362072710266337.

It is an arithmetic number, because the mean of its divisors is an integer number (362072710266337).

Almost surely, 2^{724145420532673} is an apocalyptic number.

It is an amenable number.

724145420532673 is a deficient number, since it is larger than the sum of its proper divisors (1).

724145420532673 is an equidigital number, since it uses as much as digits as its factorization.

724145420532673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33868800, while the sum is 55.

The spelling of 724145420532673 in words is "seven hundred twenty-four trillion, one hundred forty-five billion, four hundred twenty million, five hundred thirty-two thousand, six hundred seventy-three".