1039353866849 has 2 divisors, whose sum is σ = 1039353866850. Its totient is φ = 1039353866848.

The previous prime is 1039353866839. The next prime is 1039353866861. The reversal of 1039353866849 is 9486683539301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657083708449 + 382270158400 = 810607^2 + 618280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039353866849 - 2¹⁶ = 1039353801313 is a prime.

It is a super-3 number, since 3×1039353866849³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1039353866839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519676933424 + 519676933425.

It is an arithmetic number, because the mean of its divisors is an integer number (519676933425).

Almost surely, 2^{1039353866849} is an apocalyptic number.

It is an amenable number.

1039353866849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039353866849 is an equidigital number, since it uses as much as digits as its factorization.

1039353866849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100776960, while the sum is 65.

The spelling of 1039353866849 in words is "one trillion, thirty-nine billion, three hundred fifty-three million, eight hundred sixty-six thousand, eight hundred forty-nine".