1026038540809 has 2 divisors, whose sum is σ = 1026038540810. Its totient is φ = 1026038540808.

The previous prime is 1026038540729. The next prime is 1026038540827. The reversal of 1026038540809 is 9080458306201.

1026038540809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681610406409 + 344428134400 = 825597^2 + 586880^2 .

It is an emirp because it is prime and its reverse (9080458306201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1026038540809 - 2⁹ = 1026038540297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1026038540509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513019270404 + 513019270405.

It is an arithmetic number, because the mean of its divisors is an integer number (513019270405).

Almost surely, 2^{1026038540809} is an apocalyptic number.

It is an amenable number.

1026038540809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026038540809 is an equidigital number, since it uses as much as digits as its factorization.

1026038540809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 1026038540809 in words is "one trillion, twenty-six billion, thirty-eight million, five hundred forty thousand, eight hundred nine".