1693113709 has 6 divisors (see below), whose sum is σ = 1969540494. Its totient is φ = 1451240280.

The previous prime is 1693113649. The next prime is 1693113733. The reversal of 1693113709 is 9073113961.

It can be written as a sum of positive squares in only one way, i.e., 1620062500 + 73051209 = 40250^2 + 8547^2 .

It is not a de Polignac number, because 1693113709 - 2¹⁵ = 1693080941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693113739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17276622 + ... + 17276719.

It is an arithmetic number, because the mean of its divisors is an integer number (328256749).

Almost surely, 2^1693113709 is an apocalyptic number.

It is an amenable number.

1693113709 is a deficient number, since it is larger than the sum of its proper divisors (276426785).

1693113709 is an equidigital number, since it uses as much as digits as its factorization.

1693113709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34553355 (or 34553348 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 1693113709 is about 41147.4629716098. The cubic root of 1693113709 is about 1191.8695066542.

The spelling of 1693113709 in words is "one billion, six hundred ninety-three million, one hundred thirteen thousand, seven hundred nine".