727846451641 has 2 divisors, whose sum is σ = 727846451642. Its totient is φ = 727846451640.

The previous prime is 727846451627. The next prime is 727846451719. The reversal of 727846451641 is 146154648727.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627534893241 + 100311558400 = 792171^2 + 316720^2 .

It is a cyclic number.

It is not a de Polignac number, because 727846451641 - 2¹¹ = 727846449593 is a prime.

It is not a weakly prime, because it can be changed into another prime (727846751641) 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, 363923225820 + 363923225821.

It is an arithmetic number, because the mean of its divisors is an integer number (363923225821).

Almost surely, 2^727846451641 is an apocalyptic number.

It is an amenable number.

727846451641 is a deficient number, since it is larger than the sum of its proper divisors (1).

727846451641 is an equidigital number, since it uses as much as digits as its factorization.

727846451641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 55.

The spelling of 727846451641 in words is "seven hundred twenty-seven billion, eight hundred forty-six million, four hundred fifty-one thousand, six hundred forty-one".