5644454234 has 8 divisors (see below), whose sum is σ = 8475042420. Its totient is φ = 2819440096.

The previous prime is 5644454213. The next prime is 5644454267. The reversal of 5644454234 is 4324544465.

It can be written as a sum of positive squares in 2 ways, for example, as 3624401209 + 2020053025 = 60203^2 + 44945^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 5644454191 and 5644454200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390979 + ... + 1395030.

Almost surely, 2^5644454234 is an apocalyptic number.

5644454234 is a deficient number, since it is larger than the sum of its proper divisors (2830588186).

5644454234 is a wasteful number, since it uses less digits than its factorization.

5644454234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787024.

The product of its digits is 921600, while the sum is 41.

The square root of 5644454234 is about 75129.5829483966. The cubic root of 5644454234 is about 1780.4945637915.

Adding to 5644454234 its reverse (4324544465), we get a palindrome (9968998699).

The spelling of 5644454234 in words is "five billion, six hundred forty-four million, four hundred fifty-four thousand, two hundred thirty-four".