2254693145281 has 2 divisors, whose sum is σ = 2254693145282. Its totient is φ = 2254693145280.

The previous prime is 2254693145203. The next prime is 2254693145351. The reversal of 2254693145281 is 1825413964522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103384593025 + 151308552256 = 1450305^2 + 388984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2254693145281 - 2¹³ = 2254693137089 is a prime.

It is a super-2 number, since 2×2254693145281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2254693146281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127346572640 + 1127346572641.

It is an arithmetic number, because the mean of its divisors is an integer number (1127346572641).

Almost surely, 2^{2254693145281} is an apocalyptic number.

It is an amenable number.

2254693145281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254693145281 is an equidigital number, since it uses as much as digits as its factorization.

2254693145281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 52.

The spelling of 2254693145281 in words is "two trillion, two hundred fifty-four billion, six hundred ninety-three million, one hundred forty-five thousand, two hundred eighty-one".