254453354451 has 32 divisors (see below), whose sum is σ = 381306232320. Its totient is φ = 167689209312.

The previous prime is 254453354399. The next prime is 254453354479. The reversal of 254453354451 is 154453354452.

254453354451 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 53 + 3 + 544 + 51 = 666.

It is not a de Polignac number, because 254453354451 - 2³³ = 245863419859 is a prime.

It is a super-2 number, since 2×254453354451² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254453354397 and 254453354406.

It is not an unprimeable number, because it can be changed into a prime (254453354651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1484445 + ... + 1646961.

It is an arithmetic number, because the mean of its divisors is an integer number (11915819760).

Almost surely, 2^254453354451 is an apocalyptic number.

254453354451 is a deficient number, since it is larger than the sum of its proper divisors (126852877869).

254453354451 is a wasteful number, since it uses less digits than its factorization.

254453354451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163192 (or 163186 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

Subtracting from 254453354451 its reverse (154453354452), we obtain a palindrome (99999999999).

The spelling of 254453354451 in words is "two hundred fifty-four billion, four hundred fifty-three million, three hundred fifty-four thousand, four hundred fifty-one".