1693344019807 has 4 divisors (see below), whose sum is σ = 1847284385256. Its totient is φ = 1539403654360.

The previous prime is 1693344019777. The next prime is 1693344019811. The reversal of 1693344019807 is 7089104433961.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1693344019807 - 2³⁹ = 1143588205919 is a prime.

It is a super-2 number, since 2×1693344019807² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693344019837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76970182708 + ... + 76970182729.

It is an arithmetic number, because the mean of its divisors is an integer number (461821096314).

Almost surely, 2^{1693344019807} is an apocalyptic number.

1693344019807 is a deficient number, since it is larger than the sum of its proper divisors (153940365449).

1693344019807 is a wasteful number, since it uses less digits than its factorization.

1693344019807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153940365448.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 1693344019807 in words is "one trillion, six hundred ninety-three billion, three hundred forty-four million, nineteen thousand, eight hundred seven".