5143820643 has 12 divisors (see below), whose sum is σ = 8001498960. Its totient is φ = 3165428016.

The previous prime is 5143820641. The next prime is 5143820677. The reversal of 5143820643 is 3460283415.

5143820643 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 8 + 2 + 0 + 643 = 666.

It is not a de Polignac number, because 5143820643 - 2¹ = 5143820641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5143820598 and 5143820607.

It is not an unprimeable number, because it can be changed into a prime (5143820641) 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, 21982023 + ... + 21982256.

It is an arithmetic number, because the mean of its divisors is an integer number (666791580).

Almost surely, 2^5143820643 is an apocalyptic number.

5143820643 is a deficient number, since it is larger than the sum of its proper divisors (2857678317).

5143820643 is a wasteful number, since it uses less digits than its factorization.

5143820643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43964298 (or 43964295 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 5143820643 is about 71720.4339292506. The cubic root of 5143820643 is about 1726.2165351725.

The spelling of 5143820643 in words is "five billion, one hundred forty-three million, eight hundred twenty thousand, six hundred forty-three".