1074938309 has 2 divisors, whose sum is σ = 1074938310. Its totient is φ = 1074938308.

The previous prime is 1074938239. The next prime is 1074938323. The reversal of 1074938309 is 9038394701.

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., 903904225 + 171034084 = 30065^2 + 13078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074938309 is a prime.

It is a super-3 number, since 3×1074938309³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1074938309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074938329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537469154 + 537469155.

It is an arithmetic number, because the mean of its divisors is an integer number (537469155).

Almost surely, 2^1074938309 is an apocalyptic number.

It is an amenable number.

1074938309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074938309 is an equidigital number, since it uses as much as digits as its factorization.

1074938309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1074938309 is about 32786.2518290823. The cubic root of 1074938309 is about 1024.3802111483.

The spelling of 1074938309 in words is "one billion, seventy-four million, nine hundred thirty-eight thousand, three hundred nine".