5691819505 has 4 divisors (see below), whose sum is σ = 6830183412. Its totient is φ = 4553455600.

The previous prime is 5691819479. The next prime is 5691819517. The reversal of 5691819505 is 5059181965.

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

It can be written as a sum of positive squares in 2 ways, for example, as 624800016 + 5067019489 = 24996^2 + 71183^2 .

It is not a de Polignac number, because 5691819505 - 2⁷ = 5691819377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569181946 + ... + 569181955.

It is an arithmetic number, because the mean of its divisors is an integer number (1707545853).

Almost surely, 2^5691819505 is an apocalyptic number.

It is an amenable number.

5691819505 is a deficient number, since it is larger than the sum of its proper divisors (1138363907).

5691819505 is a wasteful number, since it uses less digits than its factorization.

5691819505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138363906.

The product of its (nonzero) digits is 486000, while the sum is 49.

The square root of 5691819505 is about 75444.1482488867. The cubic root of 5691819505 is about 1785.4610201469.

The spelling of 5691819505 in words is "five billion, six hundred ninety-one million, eight hundred nineteen thousand, five hundred five".