454048319661 has 16 divisors (see below), whose sum is σ = 628601731200. Its totient is φ = 291174500288.

The previous prime is 454048319513. The next prime is 454048319687. The reversal of 454048319661 is 166913840454.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 454048319661 - 2⁹ = 454048319149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454048319861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9677241 + ... + 9724046.

It is an arithmetic number, because the mean of its divisors is an integer number (39287608200).

Almost surely, 2^454048319661 is an apocalyptic number.

It is an amenable number.

454048319661 is a deficient number, since it is larger than the sum of its proper divisors (174553411539).

454048319661 is a wasteful number, since it uses less digits than its factorization.

454048319661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401588.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 454048319661 in words is "four hundred fifty-four billion, forty-eight million, three hundred nineteen thousand, six hundred sixty-one".