5638004837 has 4 divisors (see below), whose sum is σ = 5653367616. Its totient is φ = 5622642060.

The previous prime is 5638004809. The next prime is 5638004857. The reversal of 5638004837 is 7384008365.

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.

It is a cyclic number.

It is not a de Polignac number, because 5638004837 - 2⁶ = 5638004773 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 (5638004807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7680839 + ... + 7681572.

It is an arithmetic number, because the mean of its divisors is an integer number (1413341904).

Almost surely, 2^5638004837 is an apocalyptic number.

It is an amenable number.

5638004837 is a deficient number, since it is larger than the sum of its proper divisors (15362779).

5638004837 is a wasteful number, since it uses less digits than its factorization.

5638004837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15362778.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 5638004837 is about 75086.6488598339. The cubic root of 5638004837 is about 1779.8161697333.

The spelling of 5638004837 in words is "five billion, six hundred thirty-eight million, four thousand, eight hundred thirty-seven".