454019389 has 8 divisors (see below), whose sum is σ = 479669760. Its totient is φ = 429035376.

The previous prime is 454019387. The next prime is 454019417. The reversal of 454019389 is 983910454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 454019389 - 2¹ = 454019387 is a prime.

It is a super-2 number, since 2×454019389² = 412267211175866642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454019387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165189 + ... + 167914.

It is an arithmetic number, because the mean of its divisors is an integer number (59958720).

Almost surely, 2^454019389 is an apocalyptic number.

It is an amenable number.

454019389 is a deficient number, since it is larger than the sum of its proper divisors (25650371).

454019389 is a wasteful number, since it uses less digits than its factorization.

454019389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333179.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 454019389 is about 21307.7307332339. The cubic root of 454019389 is about 768.5842253514.

The spelling of 454019389 in words is "four hundred fifty-four million, nineteen thousand, three hundred eighty-nine".