720625673459 has 2 divisors, whose sum is σ = 720625673460. Its totient is φ = 720625673458.

The previous prime is 720625673447. The next prime is 720625673479. The reversal of 720625673459 is 954376526027.

720625673459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720625673459 - 2³² = 716330706163 is a prime.

It is a super-2 number, since 2×720625673459² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (720625673479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360312836729 + 360312836730.

It is an arithmetic number, because the mean of its divisors is an integer number (360312836730).

Almost surely, 2^720625673459 is an apocalyptic number.

720625673459 is a deficient number, since it is larger than the sum of its proper divisors (1).

720625673459 is an equidigital number, since it uses as much as digits as its factorization.

720625673459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 720625673459 in words is "seven hundred twenty billion, six hundred twenty-five million, six hundred seventy-three thousand, four hundred fifty-nine".