5439889345 has 8 divisors (see below), whose sum is σ = 7121309760. Its totient is φ = 3956283120.

The previous prime is 5439889337. The next prime is 5439889379.

5439889345 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5439889345 - 2³ = 5439889337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5439889345.

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, 49453485 + ... + 49453594.

It is an arithmetic number, because the mean of its divisors is an integer number (890163720).

Almost surely, 2^5439889345 is an apocalyptic number.

5439889345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5439889345 is a deficient number, since it is larger than the sum of its proper divisors (1681420415).

5439889345 is a wasteful number, since it uses less digits than its factorization.

5439889345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98907095.

The product of its digits is 18662400, while the sum is 58.

The square root of 5439889345 is about 73755.6055157844. The cubic root of 5439889345 is about 1758.7199439984.

The spelling of 5439889345 in words is "five billion, four hundred thirty-nine million, eight hundred eighty-nine thousand, three hundred forty-five".