454029349489 has 3 divisors (see below), whose sum is σ = 454030023307. Its totient is φ = 454028675672.

The previous prime is 454029349441. The next prime is 454029349517. The reversal of 454029349489 is 984943920454.

It is a happy number.

The square root of 454029349489 is 673817.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 24228479025 + 429800870464 = 155655^2 + 655592^2 .

It is not a de Polignac number, because 454029349489 - 2³³ = 445439414897 is a prime.

It is a super-2 number, since 2×454029349489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454029349439) 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 2 ways as a sum of consecutive naturals, for example, 336909 + ... + 1010725.

Almost surely, 2^454029349489 is an apocalyptic number.

454029349489 is the 673817-th square number.

454029349489 is the 336909-th centered octagonal number.

It is an amenable number.

454029349489 is a deficient number, since it is larger than the sum of its proper divisors (673818).

454029349489 is an frugal number, since it uses more digits than its factorization.

454029349489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347634 (or 673817 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 454029349489 in words is "four hundred fifty-four billion, twenty-nine million, three hundred forty-nine thousand, four hundred eighty-nine".