5439889346 has 8 divisors (see below), whose sum is σ = 8160248124. Its totient is φ = 2719806640.

The previous prime is 5439889337. The next prime is 5439889379. The reversal of 5439889346 is 6439889345.

It can be written as a sum of positive squares in 2 ways, for example, as 5437440121 + 2449225 = 73739^2 + 1565^2 .

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

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, 9485 + ... + 104736.

Almost surely, 2^5439889346 is an apocalyptic number.

5439889346 is a deficient number, since it is larger than the sum of its proper divisors (2720358778).

5439889346 is a wasteful number, since it uses less digits than its factorization.

5439889346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138036.

The product of its digits is 22394880, while the sum is 59.

The square root of 5439889346 is about 73755.6055225635. The cubic root of 5439889346 is about 1758.7199441062.

Subtracting 5439889346 from its reverse (6439889345), we obtain a palindrome (999999999).

It can be divided in two parts, 543 and 9889346, that added together give a palindrome (9889889).

The spelling of 5439889346 in words is "five billion, four hundred thirty-nine million, eight hundred eighty-nine thousand, three hundred forty-six".