254412333520243 has 2 divisors, whose sum is σ = 254412333520244. Its totient is φ = 254412333520242.

The previous prime is 254412333520223. The next prime is 254412333520249. The reversal of 254412333520243 is 342025333214452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254412333520243 - 2⁹ = 254412333519731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254412333520243.

It is not a weakly prime, because it can be changed into another prime (254412333520249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127206166760121 + 127206166760122.

It is an arithmetic number, because the mean of its divisors is an integer number (127206166760122).

Almost surely, 2^{254412333520243} is an apocalyptic number.

254412333520243 is a deficient number, since it is larger than the sum of its proper divisors (1).

254412333520243 is an equidigital number, since it uses as much as digits as its factorization.

254412333520243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 254412333520243 its reverse (342025333214452), we get a palindrome (596437666734695).

The spelling of 254412333520243 in words is "two hundred fifty-four trillion, four hundred twelve billion, three hundred thirty-three million, five hundred twenty thousand, two hundred forty-three".