4454732389 has 4 divisors (see below), whose sum is σ = 4484234080. Its totient is φ = 4425230700.

The previous prime is 4454732353. The next prime is 4454732407. The reversal of 4454732389 is 9832374544.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4454732389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454732089) 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, 14750619 + ... + 14750920.

It is an arithmetic number, because the mean of its divisors is an integer number (1121058520).

Almost surely, 2^4454732389 is an apocalyptic number.

It is an amenable number.

4454732389 is a deficient number, since it is larger than the sum of its proper divisors (29501691).

4454732389 is a wasteful number, since it uses less digits than its factorization.

4454732389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29501690.

The product of its digits is 2903040, while the sum is 49.

The square root of 4454732389 is about 66743.7816504279. The cubic root of 4454732389 is about 1645.4090179417.

The spelling of 4454732389 in words is "four billion, four hundred fifty-four million, seven hundred thirty-two thousand, three hundred eighty-nine".