454118389 has 2 divisors, whose sum is σ = 454118390. Its totient is φ = 454118388.

The previous prime is 454118387. The next prime is 454118407. The reversal of 454118389 is 983811454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385808164 + 68310225 = 19642^2 + 8265^2 .

It is a cyclic number.

It is not a de Polignac number, because 454118389 - 2¹ = 454118387 is a prime.

It is a super-2 number, since 2×454118389² = 412447022455910642, which contains 22 as substring.

Together with 454118387, it forms a pair of twin primes.

It is equal to p_24059599 and since 454118389 and 24059599 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454118381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227059194 + 227059195.

It is an arithmetic number, because the mean of its divisors is an integer number (227059195).

Almost surely, 2^454118389 is an apocalyptic number.

It is an amenable number.

454118389 is a deficient number, since it is larger than the sum of its proper divisors (1).

454118389 is an equidigital number, since it uses as much as digits as its factorization.

454118389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 43.

The square root of 454118389 is about 21310.0537071120. The cubic root of 454118389 is about 768.6400851600.

The spelling of 454118389 in words is "four hundred fifty-four million, one hundred eighteen thousand, three hundred eighty-nine".