5691639862 has 4 divisors (see below), whose sum is σ = 8537459796. Its totient is φ = 2845819930.

The previous prime is 5691639857. The next prime is 5691639893. The reversal of 5691639862 is 2689361965.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1422909964 + ... + 1422909967.

It is an arithmetic number, because the mean of its divisors is an integer number (2134364949).

Almost surely, 2^5691639862 is an apocalyptic number.

5691639862 is a deficient number, since it is larger than the sum of its proper divisors (2845819934).

5691639862 is a wasteful number, since it uses less digits than its factorization.

5691639862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845819933.

The product of its digits is 4199040, while the sum is 55.

The square root of 5691639862 is about 75442.9576700172. The cubic root of 5691639862 is about 1785.4422359398.

The spelling of 5691639862 in words is "five billion, six hundred ninety-one million, six hundred thirty-nine thousand, eight hundred sixty-two".