720299898858229 has 2 divisors, whose sum is σ = 720299898858230. Its totient is φ = 720299898858228.

The previous prime is 720299898858181. The next prime is 720299898858257. The reversal of 720299898858229 is 922858898992027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483703265495025 + 236596633363204 = 21993255^2 + 15381698^2 .

It is a cyclic number.

It is not a de Polignac number, because 720299898858229 - 2¹⁹ = 720299898333941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 720299898858229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720299898852229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360149949429114 + 360149949429115.

It is an arithmetic number, because the mean of its divisors is an integer number (360149949429115).

Almost surely, 2^{720299898858229} is an apocalyptic number.

It is an amenable number.

720299898858229 is a deficient number, since it is larger than the sum of its proper divisors (1).

720299898858229 is an equidigital number, since it uses as much as digits as its factorization.

720299898858229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15049359360, while the sum is 88.

The spelling of 720299898858229 in words is "seven hundred twenty trillion, two hundred ninety-nine billion, eight hundred ninety-eight million, eight hundred fifty-eight thousand, two hundred twenty-nine".