720290730053 has 2 divisors, whose sum is σ = 720290730054. Its totient is φ = 720290730052.

The previous prime is 720290729981. The next prime is 720290730077. The reversal of 720290730053 is 350037092027.

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., 496176542404 + 224114187649 = 704398^2 + 473407^2 .

It is a cyclic number.

It is not a de Polignac number, because 720290730053 - 2³⁴ = 703110860869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720290729989 and 720290730016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720290730353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360145365026 + 360145365027.

It is an arithmetic number, because the mean of its divisors is an integer number (360145365027).

Almost surely, 2^720290730053 is an apocalyptic number.

It is an amenable number.

720290730053 is a deficient number, since it is larger than the sum of its proper divisors (1).

720290730053 is an equidigital number, since it uses as much as digits as its factorization.

720290730053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The spelling of 720290730053 in words is "seven hundred twenty billion, two hundred ninety million, seven hundred thirty thousand, fifty-three".