1026936508669 has 2 divisors, whose sum is σ = 1026936508670. Its totient is φ = 1026936508668.

The previous prime is 1026936508621. The next prime is 1026936508687. The reversal of 1026936508669 is 9668056396201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838460705625 + 188475803044 = 915675^2 + 434138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026936508669 - 2¹³ = 1026936500477 is a prime.

It is a super-2 number, since 2×1026936508669² (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 (1026936508069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513468254334 + 513468254335.

It is an arithmetic number, because the mean of its divisors is an integer number (513468254335).

Almost surely, 2^{1026936508669} is an apocalyptic number.

It is an amenable number.

1026936508669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026936508669 is an equidigital number, since it uses as much as digits as its factorization.

1026936508669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 1026936508669 in words is "one trillion, twenty-six billion, nine hundred thirty-six million, five hundred eight thousand, six hundred sixty-nine".