2728020369149 has 2 divisors, whose sum is σ = 2728020369150. Its totient is φ = 2728020369148.

The previous prime is 2728020369131. The next prime is 2728020369167. The reversal of 2728020369149 is 9419630208272.

It is a balanced prime because it is at equal distance from previous prime (2728020369131) and next prime (2728020369167).

It can be written as a sum of positive squares in only one way, i.e., 2556257368900 + 171763000249 = 1598830^2 + 414443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2728020369149 - 2²⁰ = 2728019320573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2728020369149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728020369169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364010184574 + 1364010184575.

It is an arithmetic number, because the mean of its divisors is an integer number (1364010184575).

Almost surely, 2^{2728020369149} is an apocalyptic number.

It is an amenable number.

2728020369149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728020369149 is an equidigital number, since it uses as much as digits as its factorization.

2728020369149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 2728020369149 in words is "two trillion, seven hundred twenty-eight billion, twenty million, three hundred sixty-nine thousand, one hundred forty-nine".