5667989643 has 12 divisors (see below), whose sum is σ = 8321311648. Its totient is φ = 3716714160.

The previous prime is 5667989629. The next prime is 5667989647. The reversal of 5667989643 is 3469897665.

5667989643 is a `hidden beast` number, since 566 + 7 + 9 + 8 + 9 + 64 + 3 = 666.

It is not a de Polignac number, because 5667989643 - 2⁵ = 5667989611 is a prime.

It is a super-2 number, since 2×5667989643² = 64252213186310534898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5667989647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5161555 + ... + 5162652.

Almost surely, 2^5667989643 is an apocalyptic number.

5667989643 is a deficient number, since it is larger than the sum of its proper divisors (2653322005).

5667989643 is a wasteful number, since it uses less digits than its factorization.

5667989643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324274 (or 10324271 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The square root of 5667989643 is about 75286.0521145849. The cubic root of 5667989643 is about 1782.9658130310.

The spelling of 5667989643 in words is "five billion, six hundred sixty-seven million, nine hundred eighty-nine thousand, six hundred forty-three".