2724256939 has 2 divisors, whose sum is σ = 2724256940. Its totient is φ = 2724256938.

The previous prime is 2724256903. The next prime is 2724256957. The reversal of 2724256939 is 9396524272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2724256939 - 2⁷ = 2724256811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2724256892 and 2724256901.

It is not a weakly prime, because it can be changed into another prime (2724256039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362128469 + 1362128470.

It is an arithmetic number, because the mean of its divisors is an integer number (1362128470).

Almost surely, 2^2724256939 is an apocalyptic number.

2724256939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2724256939 is an equidigital number, since it uses as much as digits as its factorization.

2724256939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 2724256939 is about 52194.4148257263. The cubic root of 2724256939 is about 1396.6342514323.

The spelling of 2724256939 in words is "two billion, seven hundred twenty-four million, two hundred fifty-six thousand, nine hundred thirty-nine".