254465242564451 has 4 divisors (see below), whose sum is σ = 254487839613504. Its totient is φ = 254442645515400.

The previous prime is 254465242564447. The next prime is 254465242564469. The reversal of 254465242564451 is 154465242564452.

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

It is a cyclic number.

It is not a de Polignac number, because 254465242564451 - 2² = 254465242564447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254465242567451) 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, 11298507635 + ... + 11298530156.

It is an arithmetic number, because the mean of its divisors is an integer number (63621959903376).

Almost surely, 2^{254465242564451} is an apocalyptic number.

254465242564451 is a deficient number, since it is larger than the sum of its proper divisors (22597049053).

254465242564451 is a wasteful number, since it uses less digits than its factorization.

254465242564451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22597049052.

The product of its digits is 184320000, while the sum is 59.

Subtracting from 254465242564451 its reverse (154465242564452), we obtain a palindrome (99999999999999).

The spelling of 254465242564451 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-one".