5439273239 has 2 divisors, whose sum is σ = 5439273240. Its totient is φ = 5439273238.

The previous prime is 5439273209. The next prime is 5439273253. The reversal of 5439273239 is 9323729345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5439273239 is a prime.

It is a super-2 number, since 2×5439273239² = 59171386737003102242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5439273193 and 5439273202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5439273209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719636619 + 2719636620.

It is an arithmetic number, because the mean of its divisors is an integer number (2719636620).

Almost surely, 2^5439273239 is an apocalyptic number.

5439273239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439273239 is an equidigital number, since it uses as much as digits as its factorization.

5439273239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 47.

The square root of 5439273239 is about 73751.4287251440. The cubic root of 5439273239 is about 1758.6535456613.

The spelling of 5439273239 in words is "five billion, four hundred thirty-nine million, two hundred seventy-three thousand, two hundred thirty-nine".