5489641644 has 24 divisors (see below), whose sum is σ = 12842618880. Its totient is φ = 1825101264.

The previous prime is 5489641637. The next prime is 5489641657. The reversal of 5489641644 is 4461469845.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592624 + ... + 601815.

It is an arithmetic number, because the mean of its divisors is an integer number (535109120).

Almost surely, 2^5489641644 is an apocalyptic number.

It is an amenable number.

5489641644 is an abundant number, since it is smaller than the sum of its proper divisors (7352977236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5489641644 is a wasteful number, since it uses less digits than its factorization.

5489641644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194829 (or 1194827 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 5489641644 is about 74092.1159368526. The cubic root of 5489641644 is about 1764.0653317261.

The spelling of 5489641644 in words is "five billion, four hundred eighty-nine million, six hundred forty-one thousand, six hundred forty-four".