5448673425661 has 2 divisors, whose sum is σ = 5448673425662. Its totient is φ = 5448673425660.

The previous prime is 5448673425649. The next prime is 5448673425709. The reversal of 5448673425661 is 1665243768445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5429221544761 + 19451880900 = 2330069^2 + 139470^2 .

It is a cyclic number.

It is not a de Polignac number, because 5448673425661 - 2⁹ = 5448673425149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5448673425661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5448673425161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2724336712830 + 2724336712831.

It is an arithmetic number, because the mean of its divisors is an integer number (2724336712831).

Almost surely, 2^{5448673425661} is an apocalyptic number.

It is an amenable number.

5448673425661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5448673425661 is an equidigital number, since it uses as much as digits as its factorization.

5448673425661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 61.

The spelling of 5448673425661 in words is "five trillion, four hundred forty-eight billion, six hundred seventy-three million, four hundred twenty-five thousand, six hundred sixty-one".