1073796509 has 2 divisors, whose sum is σ = 1073796510. Its totient is φ = 1073796508.

The previous prime is 1073796463. The next prime is 1073796523. The reversal of 1073796509 is 9056973701.

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., 599515225 + 474281284 = 24485^2 + 21778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073796509 - 2¹² = 1073792413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073796599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536898254 + 536898255.

It is an arithmetic number, because the mean of its divisors is an integer number (536898255).

Almost surely, 2^1073796509 is an apocalyptic number.

It is an amenable number.

1073796509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073796509 is an equidigital number, since it uses as much as digits as its factorization.

1073796509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 47.

The square root of 1073796509 is about 32768.8344162559. The cubic root of 1073796509 is about 1024.0173835982.

The spelling of 1073796509 in words is "one billion, seventy-three million, seven hundred ninety-six thousand, five hundred nine".