454032389 has 4 divisors (see below), whose sum is σ = 454081056. Its totient is φ = 453983724.

The previous prime is 454032377. The next prime is 454032451. The reversal of 454032389 is 983230454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 454032389 - 2⁴ = 454032373 is a prime.

It is a super-2 number, since 2×454032389² = 412290820522094642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454532389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459 + ... + 30624.

It is an arithmetic number, because the mean of its divisors is an integer number (113520264).

Almost surely, 2^454032389 is an apocalyptic number.

It is an amenable number.

454032389 is a deficient number, since it is larger than the sum of its proper divisors (48667).

454032389 is a wasteful number, since it uses less digits than its factorization.

454032389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48666.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 454032389 is about 21308.0357846518. The cubic root of 454032389 is about 768.5915609409.

The spelling of 454032389 in words is "four hundred fifty-four million, thirty-two thousand, three hundred eighty-nine".