1026830538709 has 2 divisors, whose sum is σ = 1026830538710. Its totient is φ = 1026830538708.

The previous prime is 1026830538689. The next prime is 1026830538731. The reversal of 1026830538709 is 9078350386201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023152480100 + 3678058609 = 1011510^2 + 60647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026830538709 - 2³¹ = 1024683055061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026830532709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513415269354 + 513415269355.

It is an arithmetic number, because the mean of its divisors is an integer number (513415269355).

Almost surely, 2^{1026830538709} is an apocalyptic number.

It is an amenable number.

1026830538709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026830538709 is an equidigital number, since it uses as much as digits as its factorization.

1026830538709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1026830538709 in words is "one trillion, twenty-six billion, eight hundred thirty million, five hundred thirty-eight thousand, seven hundred nine".