5019643 has 4 divisors (see below), whose sum is σ = 5024560. Its totient is φ = 5014728.

The previous prime is 5019631. The next prime is 5019649. The reversal of 5019643 is 3469105.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5019643 - 2¹³ = 5011451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5019649) 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, 288 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (1256140).

Almost surely, 2^5019643 is an apocalyptic number.

5019643 is a deficient number, since it is larger than the sum of its proper divisors (4917).

5019643 is a wasteful number, since it uses less digits than its factorization.

5019643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5019643 is about 2240.4559803754. The cubic root of 5019643 is about 171.2212291162.

The spelling of 5019643 in words is "five million, nineteen thousand, six hundred forty-three".