1061793909 has 12 divisors (see below), whose sum is σ = 1673129952. Its totient is φ = 643511400.

The previous prime is 1061793829. The next prime is 1061793959. The reversal of 1061793909 is 9093971601.

It is not a de Polignac number, because 1061793909 - 2⁸ = 1061793653 is a prime.

It is a super-2 number, since 2×1061793909² = 2254812610379000562, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061793959) 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 in 11 ways as a sum of consecutive naturals, for example, 5362497 + ... + 5362694.

It is an arithmetic number, because the mean of its divisors is an integer number (139427496).

Almost surely, 2^1061793909 is an apocalyptic number.

It is an amenable number.

1061793909 is a deficient number, since it is larger than the sum of its proper divisors (611336043).

1061793909 is a wasteful number, since it uses less digits than its factorization.

1061793909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725208 (or 10725205 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 1061793909 is about 32585.1792844538. The cubic root of 1061793909 is about 1020.1876846095.

The spelling of 1061793909 in words is "one billion, sixty-one million, seven hundred ninety-three thousand, nine hundred nine".