2728473911 has 2 divisors, whose sum is σ = 2728473912. Its totient is φ = 2728473910.

The previous prime is 2728473887. The next prime is 2728473953. The reversal of 2728473911 is 1193748272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2728473911 - 2¹⁴ = 2728457527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728473971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364236955 + 1364236956.

It is an arithmetic number, because the mean of its divisors is an integer number (1364236956).

Almost surely, 2^2728473911 is an apocalyptic number.

2728473911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728473911 is an equidigital number, since it uses as much as digits as its factorization.

2728473911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 2728473911 is about 52234.7959793087. The cubic root of 2728473911 is about 1397.3545128205.

The spelling of 2728473911 in words is "two billion, seven hundred twenty-eight million, four hundred seventy-three thousand, nine hundred eleven".