1028547077293 has 2 divisors, whose sum is σ = 1028547077294. Its totient is φ = 1028547077292.

The previous prime is 1028547077269. The next prime is 1028547077297. The reversal of 1028547077293 is 3927707458201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005132568969 + 23414508324 = 1002563^2 + 153018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028547077293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028547077297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514273538646 + 514273538647.

It is an arithmetic number, because the mean of its divisors is an integer number (514273538647).

Almost surely, 2^{1028547077293} is an apocalyptic number.

It is an amenable number.

1028547077293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028547077293 is an equidigital number, since it uses as much as digits as its factorization.

1028547077293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 1028547077293 in words is "one trillion, twenty-eight billion, five hundred forty-seven million, seventy-seven thousand, two hundred ninety-three".