454484447 has 2 divisors, whose sum is σ = 454484448. Its totient is φ = 454484446.

The previous prime is 454484423. The next prime is 454484489. The reversal of 454484447 is 744484454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454484447 - 2¹⁶ = 454418911 is a prime.

It is a super-2 number, since 2×454484447² = 413112225129791618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 454484398 and 454484407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454487447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227242223 + 227242224.

It is an arithmetic number, because the mean of its divisors is an integer number (227242224).

Almost surely, 2^454484447 is an apocalyptic number.

454484447 is a deficient number, since it is larger than the sum of its proper divisors (1).

454484447 is an equidigital number, since it uses as much as digits as its factorization.

454484447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1146880, while the sum is 44.

The square root of 454484447 is about 21318.6408337868. The cubic root of 454484447 is about 768.8465594268.

The spelling of 454484447 in words is "four hundred fifty-four million, four hundred eighty-four thousand, four hundred forty-seven".