1234793309 has 2 divisors, whose sum is σ = 1234793310. Its totient is φ = 1234793308.

The previous prime is 1234793303. The next prime is 1234793323. The reversal of 1234793309 is 9033974321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172035225 + 62758084 = 34235^2 + 7922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234793309 - 2¹⁶ = 1234727773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234793303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617396654 + 617396655.

It is an arithmetic number, because the mean of its divisors is an integer number (617396655).

Almost surely, 2^1234793309 is an apocalyptic number.

It is an amenable number.

1234793309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234793309 is an equidigital number, since it uses as much as digits as its factorization.

1234793309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 1234793309 is about 35139.6259086519. The cubic root of 1234793309 is about 1072.8312675635.

The spelling of 1234793309 in words is "one billion, two hundred thirty-four million, seven hundred ninety-three thousand, three hundred nine".