720354554441 has 2 divisors, whose sum is σ = 720354554442. Its totient is φ = 720354554440.

The previous prime is 720354554383. The next prime is 720354554449. The reversal of 720354554441 is 144455453027.

720354554441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518358240841 + 201996313600 = 719971^2 + 449440^2 .

It is an emirp because it is prime and its reverse (144455453027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 720354554441 - 2³⁰ = 719280812617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720354554392 and 720354554401.

It is not a weakly prime, because it can be changed into another prime (720354554449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360177277220 + 360177277221.

It is an arithmetic number, because the mean of its divisors is an integer number (360177277221).

Almost surely, 2^720354554441 is an apocalyptic number.

It is an amenable number.

720354554441 is a deficient number, since it is larger than the sum of its proper divisors (1).

720354554441 is an equidigital number, since it uses as much as digits as its factorization.

720354554441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344000, while the sum is 44.

The spelling of 720354554441 in words is "seven hundred twenty billion, three hundred fifty-four million, five hundred fifty-four thousand, four hundred forty-one".