1693055645 has 8 divisors (see below), whose sum is σ = 2120000256. Its totient is φ = 1295555536.

The previous prime is 1693055597. The next prime is 1693055711. The reversal of 1693055645 is 5465503961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1693055645 - 2²⁶ = 1625946781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1693055596 and 1693055605.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7360997 + ... + 7361226.

It is an arithmetic number, because the mean of its divisors is an integer number (265000032).

Almost surely, 2^1693055645 is an apocalyptic number.

It is an amenable number.

1693055645 is a deficient number, since it is larger than the sum of its proper divisors (426944611).

1693055645 is a wasteful number, since it uses less digits than its factorization.

1693055645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722251.

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 1693055645 is about 41146.7574056571. The cubic root of 1693055645 is about 1191.8558817567.

The spelling of 1693055645 in words is "one billion, six hundred ninety-three million, fifty-five thousand, six hundred forty-five".