2728650331039 has 2 divisors, whose sum is σ = 2728650331040. Its totient is φ = 2728650331038.

The previous prime is 2728650331027. The next prime is 2728650331079. The reversal of 2728650331039 is 9301330568272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2728650331039 - 2¹⁷ = 2728650199967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2728650330983 and 2728650331001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728650331079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364325165519 + 1364325165520.

It is an arithmetic number, because the mean of its divisors is an integer number (1364325165520).

Almost surely, 2^{2728650331039} is an apocalyptic number.

2728650331039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728650331039 is an equidigital number, since it uses as much as digits as its factorization.

2728650331039 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 2728650331039 in words is "two trillion, seven hundred twenty-eight billion, six hundred fifty million, three hundred thirty-one thousand, thirty-nine".