5489641643 has 4 divisors (see below), whose sum is σ = 5490592800. Its totient is φ = 5488690488.

The previous prime is 5489641637. The next prime is 5489641657. The reversal of 5489641643 is 3461469845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3461469845 = 5 ⋅692293969.

It is a cyclic number.

It is not a de Polignac number, because 5489641643 - 2⁸ = 5489641387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5489641591 and 5489641600.

It is not an unprimeable number, because it can be changed into a prime (5489641673) 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, 466868 + ... + 478481.

It is an arithmetic number, because the mean of its divisors is an integer number (1372648200).

Almost surely, 2^5489641643 is an apocalyptic number.

5489641643 is a deficient number, since it is larger than the sum of its proper divisors (951157).

5489641643 is an equidigital number, since it uses as much as digits as its factorization.

5489641643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951156.

The product of its digits is 2488320, while the sum is 50.

The square root of 5489641643 is about 74092.1159301042. The cubic root of 5489641643 is about 1764.0653316190.

The spelling of 5489641643 in words is "five billion, four hundred eighty-nine million, six hundred forty-one thousand, six hundred forty-three".