254453421225455 has 16 divisors (see below), whose sum is σ = 311841842281344. Its totient is φ = 199230941710080.

The previous prime is 254453421225449. The next prime is 254453421225469. The reversal of 254453421225455 is 554522124354452.

It is not a de Polignac number, because 254453421225455 - 2²⁴ = 254453404448239 is a prime.

It is a super-2 number, since 2×254453421225455² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254453421225397 and 254453421225406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74654675 + ... + 77988635.

It is an arithmetic number, because the mean of its divisors is an integer number (19490115142584).

Almost surely, 2^{254453421225455} is an apocalyptic number.

254453421225455 is a deficient number, since it is larger than the sum of its proper divisors (57388421055889).

254453421225455 is a wasteful number, since it uses less digits than its factorization.

254453421225455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658786.

The product of its digits is 38400000, while the sum is 53.

The spelling of 254453421225455 in words is "two hundred fifty-four trillion, four hundred fifty-three billion, four hundred twenty-one million, two hundred twenty-five thousand, four hundred fifty-five".