2730784039 has 2 divisors, whose sum is σ = 2730784040. Its totient is φ = 2730784038.

The previous prime is 2730784019. The next prime is 2730784127. The reversal of 2730784039 is 9304870372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2730784039 - 2¹³ = 2730775847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2730783986 and 2730784004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2730784019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365392019 + 1365392020.

It is an arithmetic number, because the mean of its divisors is an integer number (1365392020).

Almost surely, 2^2730784039 is an apocalyptic number.

2730784039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730784039 is an equidigital number, since it uses as much as digits as its factorization.

2730784039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2730784039 is about 52256.9042232699. The cubic root of 2730784039 is about 1397.7487694977.

It can be divided in two parts, 2730 and 784039, that added together give a square (786769 = 887²).

The spelling of 2730784039 in words is "two billion, seven hundred thirty million, seven hundred eighty-four thousand, thirty-nine".