5439345984 has 42 divisors (see below), whose sum is σ = 15590904810. Its totient is φ = 1813115136.

The previous prime is 5439345971. The next prime is 5439346019. The reversal of 5439345984 is 4895439345.

5439345984 is a `hidden beast` number, since 5 + 43 + 9 + 3 + 4 + 598 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5368785984 + 70560000 = 73272^2 + 8400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5439345984.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4721079 + ... + 4722230.

Almost surely, 2^5439345984 is an apocalyptic number.

It is an amenable number.

5439345984 is an abundant number, since it is smaller than the sum of its proper divisors (10151558826).

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

5439345984 is a wasteful number, since it uses less digits than its factorization.

5439345984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443327 (or 9443314 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 5439345984 is about 73751.9219003817. The cubic root of 5439345984 is about 1758.6613857211.

The spelling of 5439345984 in words is "five billion, four hundred thirty-nine million, three hundred forty-five thousand, nine hundred eighty-four".