5691342643 has 4 divisors (see below), whose sum is σ = 6504391600. Its totient is φ = 4878293688.

The previous prime is 5691342623. The next prime is 5691342647. The reversal of 5691342643 is 3462431965.

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

It is a cyclic number.

It is not a de Polignac number, because 5691342643 - 2¹⁷ = 5691211571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5691342643.

It is not an unprimeable number, because it can be changed into a prime (5691342647) 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, 406524468 + ... + 406524481.

It is an arithmetic number, because the mean of its divisors is an integer number (1626097900).

Almost surely, 2^5691342643 is an apocalyptic number.

5691342643 is a deficient number, since it is larger than the sum of its proper divisors (813048957).

5691342643 is an equidigital number, since it uses as much as digits as its factorization.

5691342643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813048956.

The product of its digits is 466560, while the sum is 43.

The square root of 5691342643 is about 75440.9878182941. The cubic root of 5691342643 is about 1785.4111566372.

The spelling of 5691342643 in words is "five billion, six hundred ninety-one million, three hundred forty-two thousand, six hundred forty-three".