5389680642 has 16 divisors (see below), whose sum is σ = 10809391680. Its totient is φ = 1791555152.

The previous prime is 5389680631. The next prime is 5389680649. The reversal of 5389680642 is 2460869835.

It is not an unprimeable number, because it can be changed into a prime (5389680649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248933 + ... + 1253240.

It is an arithmetic number, because the mean of its divisors is an integer number (675586980).

Almost surely, 2^5389680642 is an apocalyptic number.

5389680642 is an abundant number, since it is smaller than the sum of its proper divisors (5419711038).

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

5389680642 is a wasteful number, since it uses less digits than its factorization.

5389680642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502537.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The square root of 5389680642 is about 73414.4443689387. Note that the first 3 decimals coincide. The cubic root of 5389680642 is about 1753.2923752602.

The spelling of 5389680642 in words is "five billion, three hundred eighty-nine million, six hundred eighty thousand, six hundred forty-two".