254552245489 has 2 divisors, whose sum is σ = 254552245490. Its totient is φ = 254552245488.

The previous prime is 254552245433. The next prime is 254552245511. The reversal of 254552245489 is 984542255452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242154536464 + 12397709025 = 492092^2 + 111345^2 .

It is a cyclic number.

It is not a de Polignac number, because 254552245489 - 2¹¹ = 254552243441 is a prime.

It is not a weakly prime, because it can be changed into another prime (254552245889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127276122744 + 127276122745.

It is an arithmetic number, because the mean of its divisors is an integer number (127276122745).

Almost surely, 2^254552245489 is an apocalyptic number.

It is an amenable number.

254552245489 is a deficient number, since it is larger than the sum of its proper divisors (1).

254552245489 is an equidigital number, since it uses as much as digits as its factorization.

254552245489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040000, while the sum is 55.

The spelling of 254552245489 in words is "two hundred fifty-four billion, five hundred fifty-two million, two hundred forty-five thousand, four hundred eighty-nine".