254465242564453 has 4 divisors (see below), whose sum is σ = 254526163143820. Its totient is φ = 254404321985088.

The previous prime is 254465242564447. The next prime is 254465242564469. The reversal of 254465242564453 is 354465242564452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153788942961889 + 100676299602564 = 12401167^2 + 10033758^2 .

It is a cyclic number.

It is not a de Polignac number, because 254465242564453 - 2⁹ = 254465242563941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254465242564391 and 254465242564400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254465242564553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30460283418 + ... + 30460291771.

It is an arithmetic number, because the mean of its divisors is an integer number (63631540785955).

Almost surely, 2^{254465242564453} is an apocalyptic number.

It is an amenable number.

254465242564453 is a deficient number, since it is larger than the sum of its proper divisors (60920579367).

254465242564453 is an equidigital number, since it uses as much as digits as its factorization.

254465242564453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60920579366.

The product of its digits is 552960000, while the sum is 61.

Subtracting 254465242564453 from its reverse (354465242564452), we obtain a palindrome (99999999999999).

The spelling of 254465242564453 in words is "two hundred fifty-four trillion, four hundred sixty-five billion, two hundred forty-two million, five hundred sixty-four thousand, four hundred fifty-three".