725032818673 has 2 divisors, whose sum is σ = 725032818674. Its totient is φ = 725032818672.

The previous prime is 725032818623. The next prime is 725032818701. The reversal of 725032818673 is 376818230527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365714096049 + 359318722624 = 604743^2 + 599432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725032818673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 725032818673.

It is not a weakly prime, because it can be changed into another prime (725032818623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362516409336 + 362516409337.

It is an arithmetic number, because the mean of its divisors is an integer number (362516409337).

Almost surely, 2^725032818673 is an apocalyptic number.

It is an amenable number.

725032818673 is a deficient number, since it is larger than the sum of its proper divisors (1).

725032818673 is an equidigital number, since it uses as much as digits as its factorization.

725032818673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 725032818673 in words is "seven hundred twenty-five billion, thirty-two million, eight hundred eighteen thousand, six hundred seventy-three".