5439334019 has 4 divisors (see below), whose sum is σ = 6216381744. Its totient is φ = 4662286296.

The previous prime is 5439333983. The next prime is 5439334051. The reversal of 5439334019 is 9104339345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5439334019 is a prime.

It is a super-2 number, since 2×5439334019² = 59172709140501384722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5439334819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388523852 + ... + 388523865.

It is an arithmetic number, because the mean of its divisors is an integer number (1554095436).

Almost surely, 2^5439334019 is an apocalyptic number.

5439334019 is a deficient number, since it is larger than the sum of its proper divisors (777047725).

5439334019 is an equidigital number, since it uses as much as digits as its factorization.

5439334019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777047724.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 5439334019 is about 73751.8407838069. The cubic root of 5439334019 is about 1758.6600962034.

The spelling of 5439334019 in words is "five billion, four hundred thirty-nine million, three hundred thirty-four thousand, nineteen".