453839489 has 4 divisors (see below), whose sum is σ = 457152324. Its totient is φ = 450526656.

The previous prime is 453839443. The next prime is 453839509. The reversal of 453839489 is 984938354.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 223801600 + 230037889 = 14960^2 + 15167^2 .

It is a cyclic number.

It is not a de Polignac number, because 453839489 - 2²⁰ = 452790913 is a prime.

It is a super-2 number, since 2×453839489² = 411940563551562242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 453839489.

It is not an unprimeable number, because it can be changed into a prime (453839189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656212 + ... + 1656485.

It is an arithmetic number, because the mean of its divisors is an integer number (114288081).

Almost surely, 2^453839489 is an apocalyptic number.

It is an amenable number.

453839489 is a deficient number, since it is larger than the sum of its proper divisors (3312835).

453839489 is a wasteful number, since it uses less digits than its factorization.

453839489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312834.

The product of its digits is 3732480, while the sum is 53.

The square root of 453839489 is about 21303.5088424419. The cubic root of 453839489 is about 768.4826976987.

It can be divided in two parts, 45383 and 9489, that added together give a cube (54872 = 38³).

The spelling of 453839489 in words is "four hundred fifty-three million, eight hundred thirty-nine thousand, four hundred eighty-nine".