1065038693309 has 2 divisors, whose sum is σ = 1065038693310. Its totient is φ = 1065038693308.

The previous prime is 1065038693281. The next prime is 1065038693321. The reversal of 1065038693309 is 9033968305601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672908496100 + 392130197209 = 820310^2 + 626203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065038693309 is a prime.

It is a super-2 number, since 2×1065038693309² (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 (1065038693339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532519346654 + 532519346655.

It is an arithmetic number, because the mean of its divisors is an integer number (532519346655).

Almost surely, 2^{1065038693309} is an apocalyptic number.

It is an amenable number.

1065038693309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065038693309 is an equidigital number, since it uses as much as digits as its factorization.

1065038693309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 1065038693309 in words is "one trillion, sixty-five billion, thirty-eight million, six hundred ninety-three thousand, three hundred nine".