5638750003385 has 4 divisors (see below), whose sum is σ = 6766500004068. Its totient is φ = 4511000002704.

The previous prime is 5638750003361. The next prime is 5638750003391. The reversal of 5638750003385 is 5833000578365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4497487249984 + 1141262753401 = 2120728^2 + 1068299^2 .

It is a cyclic number.

It is not a de Polignac number, because 5638750003385 - 2¹⁸ = 5638749741241 is a prime.

It is a super-2 number, since 2×5638750003385² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563875000334 + ... + 563875000343.

It is an arithmetic number, because the mean of its divisors is an integer number (1691625001017).

Almost surely, 2^{5638750003385} is an apocalyptic number.

It is an amenable number.

5638750003385 is a deficient number, since it is larger than the sum of its proper divisors (1127750000683).

5638750003385 is a wasteful number, since it uses less digits than its factorization.

5638750003385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127750000682.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 5638750003385 in words is "five trillion, six hundred thirty-eight billion, seven hundred fifty million, three thousand, three hundred eighty-five".