2254471744661 has 2 divisors, whose sum is σ = 2254471744662. Its totient is φ = 2254471744660.

The previous prime is 2254471744649. The next prime is 2254471744687. The reversal of 2254471744661 is 1664471744522.

2254471744661 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 can be written as a sum of positive squares in only one way, i.e., 1321364044036 + 933107700625 = 1149506^2 + 965975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2254471744661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2254471744621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127235872330 + 1127235872331.

It is an arithmetic number, because the mean of its divisors is an integer number (1127235872331).

Almost surely, 2^{2254471744661} is an apocalyptic number.

It is an amenable number.

2254471744661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254471744661 is an equidigital number, since it uses as much as digits as its factorization.

2254471744661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 53.

The spelling of 2254471744661 in words is "two trillion, two hundred fifty-four billion, four hundred seventy-one million, seven hundred forty-four thousand, six hundred sixty-one".