1028547077269 has 2 divisors, whose sum is σ = 1028547077270. Its totient is φ = 1028547077268.

The previous prime is 1028547077251. The next prime is 1028547077293. The reversal of 1028547077269 is 9627707458201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028524562244 + 22515025 = 1014162^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028547077269 - 2²⁹ = 1028010206357 is a prime.

It is a super-2 number, since 2×1028547077269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028547077869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514273538634 + 514273538635.

It is an arithmetic number, because the mean of its divisors is an integer number (514273538635).

Almost surely, 2^{1028547077269} is an apocalyptic number.

It is an amenable number.

1028547077269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028547077269 is an equidigital number, since it uses as much as digits as its factorization.

1028547077269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 1028547077269 in words is "one trillion, twenty-eight billion, five hundred forty-seven million, seventy-seven thousand, two hundred sixty-nine".