720612000697 has 2 divisors, whose sum is σ = 720612000698. Its totient is φ = 720612000696.

The previous prime is 720612000671. The next prime is 720612000721. The reversal of 720612000697 is 796000216027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715675392576 + 4936608121 = 845976^2 + 70261^2 .

It is an emirp because it is prime and its reverse (796000216027) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720612000697 is a prime.

It is not a weakly prime, because it can be changed into another prime (720612000497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360306000348 + 360306000349.

It is an arithmetic number, because the mean of its divisors is an integer number (360306000349).

Almost surely, 2^720612000697 is an apocalyptic number.

It is an amenable number.

720612000697 is a deficient number, since it is larger than the sum of its proper divisors (1).

720612000697 is an equidigital number, since it uses as much as digits as its factorization.

720612000697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 720612000697 in words is "seven hundred twenty billion, six hundred twelve million, six hundred ninety-seven", and thus it is an aban number.