5643674917 has 4 divisors (see below), whose sum is σ = 5715113920. Its totient is φ = 5572235916.

The previous prime is 5643674903. The next prime is 5643674929. The reversal of 5643674917 is 7194763465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7194763465 = 5 ⋅1438952693.

It is a cyclic number.

It is not a de Polignac number, because 5643674917 - 2¹⁵ = 5643642149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643674957) 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, 35719383 + ... + 35719540.

It is an arithmetic number, because the mean of its divisors is an integer number (1428778480).

Almost surely, 2^5643674917 is an apocalyptic number.

It is an amenable number.

5643674917 is a deficient number, since it is larger than the sum of its proper divisors (71439003).

5643674917 is an equidigital number, since it uses as much as digits as its factorization.

5643674917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71439002.

The product of its digits is 3810240, while the sum is 52.

The square root of 5643674917 is about 75124.3962837639. The cubic root of 5643674917 is about 1780.4126170706.

The spelling of 5643674917 in words is "five billion, six hundred forty-three million, six hundred seventy-four thousand, nine hundred seventeen".